arMathAp11 6.3.021.Ask Your TeacherMy NotesHow much must be de.pdf
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arMathAp11 6.3.021. Ask Your Teacher My Notes How much must be deposited at the beginning of each year in an account that pays 4%, compounded annually, so that the account will contain $20,000 at the end of 4 years? (Round your answer to the nearest cent.)Question PartPointsSubmissions Used Solution Future value of Annuity = P[(1+r)^n -1]/r where r = rate of interest and P = annual payment 20000 = P[ (1+0.04)^4 -1]/0.04 P( periodic payment each year ) = 20000/4.246 = $ 4710.315 = $ 4710.32.
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![arMathAp11 6.3.021.
Ask Your Teacher
My Notes
How much must be deposited at the beginning of each year in an account that pays 4%,
compounded annually, so that the account will contain $20,000 at the end of 4 years? (Round
your answer to the nearest cent.)Question PartPointsSubmissions Used
Solution
Future value of Annuity = P[(1+r)^n -1]/r where r = rate of interest and P = annual payment
20000 = P[ (1+0.04)^4 -1]/0.04
P( periodic payment each year ) = 20000/4.246 = $ 4710.315 = $ 4710.32](https://image.slidesharecdn.com/armathap116-230707101010-922c3bde/85/arMathAp11-6-3-021-Ask-Your-TeacherMy-NotesHow-much-must-be-de-pdf-1-320.jpg)
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JAVA helpNeed bolded lines fixed for it to compile. Thank you!pu.pdf
JAVA help
Need bolded lines fixed for it to compile. Thank you!
public class PersonSort
{
// Test file. Format is \"STRING int int int\"
static final String PERSON_FILE = \".\\\\src\\\\Persons.txt\";
public static void main(String[] args) throws FileNotFoundException
{
// Create new ArrayList and populate from test file
ArrayList list1 = new ArrayList();
populate(list1);
// Create new array with same people
ArrayList list2 = new ArrayList(list1);
insertionSort(list1);
// Print result of sort
System.out.println(\"INSERTION SORT\");
// *** foreach Person p in list1
{
System.out.println(p.toString());
}
selectionSort(list2);
System.out.println();
System.out.println(\"SELECTION SORT\");
// *** foreach Person p in list2
{
System.out.println(p.toString());
}
}
/*
* populate - this method reads the Persons.txt file and creates an array list
*
*/
public static ArrayList populate(ArrayList list)
throws IOException
{
// Scan in the file
File people = new File(PERSON_FILE);
Scanner ppl = new Scanner(people);
// While we have a next line, create a new Person and add it to the list
while (ppl.hasNextLine())
{
String name = ppl.next();
int month = ppl.nextInt();
int day = ppl.nextInt();
int year = ppl.nextInt();
list.add(new Person(name, month, day, year));
}
ppl.close();
return list;
}
/**
*
* Sorts an ArrayList based on the insertion sort algorithm. Modified code based
* on insertion sort from Sort.java in Lesson3SourceCode.
*
*/
// *** change double[] to ArrayList
public static void insertionSort (double[] list)
{
// Temporary variable for the next item to be inserted
// *** change double to Person
double valueToInsert;
int insertPos = 0;
// Iterate through the array taking each array element in turn
// as the next one to be inserted in its correct position.
// This element is placed in its correct position in the array of
// previously sorted elements contained in the lower array indices.
for (int i = 1; i < list.size(); i++)
{
// Hold the next element to be inserted,
// until we find the correct spot
valueToInsert = list.get(i);
insertPos = i;
// Find the correct place to insert this element
// in the lower array indices of already sorted elements
while ((insertPos > 0) && (list.get(insertPos - 1).compareTo(valueToInsert) > 0))
{
// Move elements up the array
// and insert position down
list.set(insertPos, list.get(insertPos - 1));
insertPos--;
}
// We are at the correct position, so insert the element
list.set(insertPos, valueToInsert);
}
}
/**
*
* Sorts an ArrayList based on the selection sort algorithm. Modified code based
* on selection sort from Sort.java in Lesson3SourceCode.
*
*/
// *** change double[] to ArrayList
public static void selectionSort (double[] list)
{
for (int i = 0; i < list.size(); i++)
{
// Find the minimum in the ArrayList through [i..list.length-1]
// *** change double to Person
double currentMin = list[i];
int currentMinIndex = i;
for (int j = i + 1; j < myList.size(); j++)
{
if (currentMin.compareTo(list.get(j)) > 0)
{
curr.
In JavaWrite a program that reads a file and counts how many line.pdf
In Java:
Write a program that reads a file and counts how many lines it contains
Solution
sentences.txt (Save the file in the D:Drive.then the path of the file pointing to it is
D:\\\\sentences.txt )
sentence 1
sentence 2
sentence 3
sentence 4
sentence 5
sentence 6
sentence 7
sentence 8
sentence 9
sentence 10
sentence 11
sentence 12
sentence 13
sentence 14
sentence 15
sentence 16
sentence 17
sentence 18
sentence 19
sentence 20
______________________________________
CountingNoOfLinesInFile.java
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
public class CountingNoOfLinesInFile {
public static void main(String args[]) {
//Declaring variables
int count_lines=0;
//Assigning the file name to the String variable
String fname = \"D://lines999.txt\";
//Creating the Scanner class reference
Scanner sc=null;
try{
//Opening the file
sc= new Scanner(new File(fname));
//This loops continue to execute until the end of the file
while (sc.hasNext()){
sc.nextLine();
//Counting the number of lines
count_lines++;
}
} catch (IOException e)
{
//Displaying the exception
System.out.println(\"Exception :\"+e);
}
//Displaying the number of lines in the file
System.out.println(\"No of Lines in the File :\"+count_lines);
}
}
______________________________________
Output:
No of Lines in the File :20
________________Thank You.
Find the slope of the line passing through each pair of points or st.pdf
Find the slope of the line passing through each pair of points or state that the slop is undefined.
Then indicate whether the line through the point rises, falls, is horizontal, or is vertical.
(-1,4) and (2,5)
Solution
slope = (5-4)/(2-(-1)) = 1/(2+1) = 1/3
slope = rise / run = 1/3
It means line rise by 1 unit and run right by 3 units
So line rises.
How does packet switching combine signals from different sourcesa.pdf
How does packet switching combine signals from different sources?
a) It assigns each one a different wavelength
b) it packages them into a series of packets, with headers indicating destinations.
c) it assigns each one a different series of time slots in a sequence of bits.
d) It transmits them simultaneously at different frequencies.
e) none of the above
Solution
b) it packages them into a series of packets, with headers indicating destinations..
For the circuit and current waveform given in example 2 of lecture vi.pdf
For the circuit and current waveform given in example 2 of lecture video 11, find the energy
delivered by the source for all time.
Solution
Ws(t)=Wr(t)+WL(t)
eneregy lost in a resistor=i^2*R*t=1*i^2t=i^2t
energy stored in a inductor= (Li^2)/2=(i^2)/2.
energy delivered by the source=i^2t+(i^2)/2..
Epidemiology Scavenger HuntFind an example infectious disease for .pdf
Epidemiology Scavenger Hunt
Find an example infectious disease for each of the term(s) or concept(s) below. Give the name of
the disease and its causal agent and whether it is viral , prion, bacterial, fungal, protozoan, or
helminthic. All of the diseases must be infectious diseases.
12. Concerning epidemics - give an example of a disease that has a common source.
13. Concerning epidemics – give an example of a disease that has a propagated source
14. Give an example of a notifiable viral infectious disease.
15. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Solution
Aids - the casual agent is HIV it is a viral disease...
Malaria - the casual agent is Plasmodium.. It is a protozoa disease..
Typhoid- the agent is bacteria.. It is a bacterial disease..
Candiasieies - the agent is fungi...!!
14) Chikenpox is a type of viral disease which can be easily noted by seeing the symptoms on
the body in their initial stage..
15) the answer is common cold.. It occurs in a specified season hence seasonal disease...
Discuss the concept of breeder reactors. How do they breed fuel What.pdf
Discuss the concept of breeder reactors. How do they breed fuel? What type reactors can be
used as breeders? What are some problems/benefits of breeders?
Solution
(1) Conceptof breeder reactors :
A breeder reactor is a nuclear reactor that generates more fissile material than it consumes. These
devices achieve this because their neutron economy is high enough to breed more fissile fuel
than they use from fertile material, such as uranium-238 or thorium-232.Breeder reactors could,
in principle, extract almost all of the energy contained in uranium or thorium, decreasing fuel
requirements by a factor of 100 compared to widely used once-through light water reactors,
which extract less than 1% of the energy in the uranium mined from the earth.The high fuel
efficiency of breeder reactors could greatly reduce concerns about fuel supply or energy used in
mining. A \'breeder\' is simply a reactor designed for very high neutron economy with an
associated conversion rate higher than 1.0. In principle, almost any reactor design could possibly
be tweaked to become a breeder. An example of this process is the evolution of the Light Water
Reactor, a very heavily moderated thermal design, into the Super Fast Reactor concept, using
light water in an extremely low-density supercritical form to increase the neutron economy high
enough to allow breeding.
(2) breeder reactors breed fuel by-
A fast-breeder nuclear reactor produces more fuel than it consumes, while generating energy.
Conventional reactors use uranium as fuel and produce some plutonium. Breeders produce much
more plutonium, which can be separated and reused as fuel.
(3) reactors that can be used as breeders-
Aside from water cooled, there are many other types of breeder reactor currently envisioned as
possible. These include molten-salt cooled, gas cooled, and liquid metal cooled designs in many
variations. Almost any of these basic design types may be fueled by uranium, plutonium, many
minor actinides, or thorium, and they may be designed for many different goals, such as creating
more fissile fuel, long-term steady-state operation, or active burning of nuclear wastes.
For convenience, it is perhaps simplest to divide the extant reactor designs into two broad
categories based upon their neutron spectrum, which has the natural effect of dividing the reactor
designs into those designed to use primarily uranium and transuranics, and those designed to use
thorium and avoid transuranics.
(4) benifits/problems of breeders-
benifits:
Breeder reactors use highly enriched fuels, which pose the danger of critical accidents. They also
work at a very high temperature and a fast pace.
Plutonium persists for a long time in the environment, with a half-life of 24,000 years, and is
highly toxic, causing lung cancer even if a small amount is inhaled.
The construction and operation is very costly. Between $4 to $8 billion is required in the
construction alone.
The byproducts formed during the fission of plutonium h.
Discuss botulism and the different types of toxins produced by the d.pdf
Discuss botulism and the different types of toxins produced by the different strains
Solution
Botulism is a fatal disease caused by toxins produced by bacteria Clostridium botulinum. This
disease is transmitted or the major source if this disease is food and is type of food poisobing.
This bacteria is an anaerobic pathogen, therefore the food which is packed with anaerobic
conditions can make its contamination, like canned food.
The toxins produced by Clostridium botulinum is called botulinum toxin or BTX. Six
phylogenetically distinct strains of Clostridium botulinum are producing seven serotypically
distinct botulinum toxins. Among these, human disease is caused by types A,B,E and F..
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JAVA helpNeed bolded lines fixed for it to compile. Thank you!pu.pdf
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Need bolded lines fixed for it to compile. Thank you!
public class PersonSort
{
// Test file. Format is \"STRING int int int\"
static final String PERSON_FILE = \".\\\\src\\\\Persons.txt\";
public static void main(String[] args) throws FileNotFoundException
{
// Create new ArrayList and populate from test file
ArrayList list1 = new ArrayList();
populate(list1);
// Create new array with same people
ArrayList list2 = new ArrayList(list1);
insertionSort(list1);
// Print result of sort
System.out.println(\"INSERTION SORT\");
// *** foreach Person p in list1
{
System.out.println(p.toString());
}
selectionSort(list2);
System.out.println();
System.out.println(\"SELECTION SORT\");
// *** foreach Person p in list2
{
System.out.println(p.toString());
}
}
/*
* populate - this method reads the Persons.txt file and creates an array list
*
*/
public static ArrayList populate(ArrayList list)
throws IOException
{
// Scan in the file
File people = new File(PERSON_FILE);
Scanner ppl = new Scanner(people);
// While we have a next line, create a new Person and add it to the list
while (ppl.hasNextLine())
{
String name = ppl.next();
int month = ppl.nextInt();
int day = ppl.nextInt();
int year = ppl.nextInt();
list.add(new Person(name, month, day, year));
}
ppl.close();
return list;
}
/**
*
* Sorts an ArrayList based on the insertion sort algorithm. Modified code based
* on insertion sort from Sort.java in Lesson3SourceCode.
*
*/
// *** change double[] to ArrayList
public static void insertionSort (double[] list)
{
// Temporary variable for the next item to be inserted
// *** change double to Person
double valueToInsert;
int insertPos = 0;
// Iterate through the array taking each array element in turn
// as the next one to be inserted in its correct position.
// This element is placed in its correct position in the array of
// previously sorted elements contained in the lower array indices.
for (int i = 1; i < list.size(); i++)
{
// Hold the next element to be inserted,
// until we find the correct spot
valueToInsert = list.get(i);
insertPos = i;
// Find the correct place to insert this element
// in the lower array indices of already sorted elements
while ((insertPos > 0) && (list.get(insertPos - 1).compareTo(valueToInsert) > 0))
{
// Move elements up the array
// and insert position down
list.set(insertPos, list.get(insertPos - 1));
insertPos--;
}
// We are at the correct position, so insert the element
list.set(insertPos, valueToInsert);
}
}
/**
*
* Sorts an ArrayList based on the selection sort algorithm. Modified code based
* on selection sort from Sort.java in Lesson3SourceCode.
*
*/
// *** change double[] to ArrayList
public static void selectionSort (double[] list)
{
for (int i = 0; i < list.size(); i++)
{
// Find the minimum in the ArrayList through [i..list.length-1]
// *** change double to Person
double currentMin = list[i];
int currentMinIndex = i;
for (int j = i + 1; j < myList.size(); j++)
{
if (currentMin.compareTo(list.get(j)) > 0)
{
curr.
In JavaWrite a program that reads a file and counts how many line.pdf
In Java:
Write a program that reads a file and counts how many lines it contains
Solution
sentences.txt (Save the file in the D:Drive.then the path of the file pointing to it is
D:\\\\sentences.txt )
sentence 1
sentence 2
sentence 3
sentence 4
sentence 5
sentence 6
sentence 7
sentence 8
sentence 9
sentence 10
sentence 11
sentence 12
sentence 13
sentence 14
sentence 15
sentence 16
sentence 17
sentence 18
sentence 19
sentence 20
______________________________________
CountingNoOfLinesInFile.java
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
public class CountingNoOfLinesInFile {
public static void main(String args[]) {
//Declaring variables
int count_lines=0;
//Assigning the file name to the String variable
String fname = \"D://lines999.txt\";
//Creating the Scanner class reference
Scanner sc=null;
try{
//Opening the file
sc= new Scanner(new File(fname));
//This loops continue to execute until the end of the file
while (sc.hasNext()){
sc.nextLine();
//Counting the number of lines
count_lines++;
}
} catch (IOException e)
{
//Displaying the exception
System.out.println(\"Exception :\"+e);
}
//Displaying the number of lines in the file
System.out.println(\"No of Lines in the File :\"+count_lines);
}
}
______________________________________
Output:
No of Lines in the File :20
________________Thank You.
Find the slope of the line passing through each pair of points or st.pdf
Find the slope of the line passing through each pair of points or state that the slop is undefined.
Then indicate whether the line through the point rises, falls, is horizontal, or is vertical.
(-1,4) and (2,5)
Solution
slope = (5-4)/(2-(-1)) = 1/(2+1) = 1/3
slope = rise / run = 1/3
It means line rise by 1 unit and run right by 3 units
So line rises.
How does packet switching combine signals from different sourcesa.pdf
How does packet switching combine signals from different sources?
a) It assigns each one a different wavelength
b) it packages them into a series of packets, with headers indicating destinations.
c) it assigns each one a different series of time slots in a sequence of bits.
d) It transmits them simultaneously at different frequencies.
e) none of the above
Solution
b) it packages them into a series of packets, with headers indicating destinations..
For the circuit and current waveform given in example 2 of lecture vi.pdf
For the circuit and current waveform given in example 2 of lecture video 11, find the energy
delivered by the source for all time.
Solution
Ws(t)=Wr(t)+WL(t)
eneregy lost in a resistor=i^2*R*t=1*i^2t=i^2t
energy stored in a inductor= (Li^2)/2=(i^2)/2.
energy delivered by the source=i^2t+(i^2)/2..
Epidemiology Scavenger HuntFind an example infectious disease for .pdf
Epidemiology Scavenger Hunt
Find an example infectious disease for each of the term(s) or concept(s) below. Give the name of
the disease and its causal agent and whether it is viral , prion, bacterial, fungal, protozoan, or
helminthic. All of the diseases must be infectious diseases.
12. Concerning epidemics - give an example of a disease that has a common source.
13. Concerning epidemics – give an example of a disease that has a propagated source
14. Give an example of a notifiable viral infectious disease.
15. Give an example of a disease with a seasonal occurrence. Why is it seasonal?
Solution
Aids - the casual agent is HIV it is a viral disease...
Malaria - the casual agent is Plasmodium.. It is a protozoa disease..
Typhoid- the agent is bacteria.. It is a bacterial disease..
Candiasieies - the agent is fungi...!!
14) Chikenpox is a type of viral disease which can be easily noted by seeing the symptoms on
the body in their initial stage..
15) the answer is common cold.. It occurs in a specified season hence seasonal disease...
Discuss the concept of breeder reactors. How do they breed fuel What.pdf
Discuss the concept of breeder reactors. How do they breed fuel? What type reactors can be
used as breeders? What are some problems/benefits of breeders?
Solution
(1) Conceptof breeder reactors :
A breeder reactor is a nuclear reactor that generates more fissile material than it consumes. These
devices achieve this because their neutron economy is high enough to breed more fissile fuel
than they use from fertile material, such as uranium-238 or thorium-232.Breeder reactors could,
in principle, extract almost all of the energy contained in uranium or thorium, decreasing fuel
requirements by a factor of 100 compared to widely used once-through light water reactors,
which extract less than 1% of the energy in the uranium mined from the earth.The high fuel
efficiency of breeder reactors could greatly reduce concerns about fuel supply or energy used in
mining. A \'breeder\' is simply a reactor designed for very high neutron economy with an
associated conversion rate higher than 1.0. In principle, almost any reactor design could possibly
be tweaked to become a breeder. An example of this process is the evolution of the Light Water
Reactor, a very heavily moderated thermal design, into the Super Fast Reactor concept, using
light water in an extremely low-density supercritical form to increase the neutron economy high
enough to allow breeding.
(2) breeder reactors breed fuel by-
A fast-breeder nuclear reactor produces more fuel than it consumes, while generating energy.
Conventional reactors use uranium as fuel and produce some plutonium. Breeders produce much
more plutonium, which can be separated and reused as fuel.
(3) reactors that can be used as breeders-
Aside from water cooled, there are many other types of breeder reactor currently envisioned as
possible. These include molten-salt cooled, gas cooled, and liquid metal cooled designs in many
variations. Almost any of these basic design types may be fueled by uranium, plutonium, many
minor actinides, or thorium, and they may be designed for many different goals, such as creating
more fissile fuel, long-term steady-state operation, or active burning of nuclear wastes.
For convenience, it is perhaps simplest to divide the extant reactor designs into two broad
categories based upon their neutron spectrum, which has the natural effect of dividing the reactor
designs into those designed to use primarily uranium and transuranics, and those designed to use
thorium and avoid transuranics.
(4) benifits/problems of breeders-
benifits:
Breeder reactors use highly enriched fuels, which pose the danger of critical accidents. They also
work at a very high temperature and a fast pace.
Plutonium persists for a long time in the environment, with a half-life of 24,000 years, and is
highly toxic, causing lung cancer even if a small amount is inhaled.
The construction and operation is very costly. Between $4 to $8 billion is required in the
construction alone.
The byproducts formed during the fission of plutonium h.
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Discuss botulism and the different types of toxins produced by the different strains
Solution
Botulism is a fatal disease caused by toxins produced by bacteria Clostridium botulinum. This
disease is transmitted or the major source if this disease is food and is type of food poisobing.
This bacteria is an anaerobic pathogen, therefore the food which is packed with anaerobic
conditions can make its contamination, like canned food.
The toxins produced by Clostridium botulinum is called botulinum toxin or BTX. Six
phylogenetically distinct strains of Clostridium botulinum are producing seven serotypically
distinct botulinum toxins. Among these, human disease is caused by types A,B,E and F..
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Could please answer those questions about North country movie?
Here are the questions:
What is the deviant conduct?
How are labels used and contested?
How does the label of deviance as portrayed in the clip relate to social change?
Solution
Josey during her school days had suffered with a school punishment for caught kissing with her
boyfriend. This is something not acceptable as a good act. Josey was raped by her Teacher
leading to pregnancy and Sammy\'s Birth. This is highly deviant conduct not acceptable in
society. Labels are used on the basis of ones past deeds in society. If someone is acting according
to the society rules and manners that are acceptable among public, then he earns respect and
good label. If someone is acting against the social acceptance then he will face the same thing in
behaviour of people towards her. Earlier when it was not clear that who is Sammy\'s father, Hank
was ashamed of Josey but when it became clear that she was targetted by her teacher during
school days, Hank started supporting her and also all the support from miners women and family
started pouring in for her. And mining company was forced to pay for the sufferings of many
other women like her in the mine. So, label of deviance was first the reason for her unacceptance
in society later on when she earned a clean image in society, she earned support as well..
Consider the equation 1 - 2x = sin x. Use the Intermediate Value The.pdf
Consider the equation 1 - 2x = sin x. Use the Intermediate Value Theorem to prove that this
equation has a in the interval (0, pi /4). Check all the criterions in the IVT. Use a graphing
calculator to find an interval of length 0.01 that contains this . Explain how to obtain this
interval.
Solution
let f(x) = sinx + 2x -1 (it is clearly a continuous function in the given interval)
now f(0) = -1 and f(/4) = 1/2 + /2 -1>0
Since f(0)< 0 < f(/4), by intermediate value theorem there exists a point x for which f(x)=0 i.e
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CommunicationsEvery organization has its own unique “organization.pdf
Communications:
Every organization has its own unique “organizational culture.” Define ‘organizational culture”
and discuss Deal and Kennedy’s “strong cultures.” Can you think of one or two examples of
companies with a “strong” culture?
Solution
Organization culture is art of social programming consist of organization value, beliefs and code
that the whole organization should be maintain.
_____________________________________________________________________________
________
Deal and Kennedy’s they believed focus with each employee growth and develop lead to
success of organization, why because each individual work is very important all employees
giving high performance then the organization never go for failure so both believed strong in
culture such as ceremonies, cultural network etc.
_____________________________________________________________________________
_____
I think INTEL having strong culture because it has been started 1968 still is running as smarter,
in between INTEL faced some major problem, later it was resolved. Now a days Intel higher
authorities strongly shaping their culture.
_____________________________________________________________________________
____________.
choose the word that BEST fits each statement.A. stomachB. Esoph.pdf
choose the word that BEST fits each statement.
A. stomach
B. Esophagus
C. Small intestine
D. Large intestine
E. Liver
* Absorb large quantitie of water ___________
*Secretes pepsin and HCl __________
* Converts glucose to glycogen ___________
*Is the major organ for the absorpion of the end products of digestion __________
*Secretes a fat-emulsifying substance. ___________
Solution
absorbs large quanities of water
1)large intestine.
secretes pespin and HCL
2)stomach.
converts glucose to glycogen
3)liver.
is the major organ for the absorbtion of the end products of digestion
4)oesophagus.
secretes a fat emulsifying substance
5)small intestine..
Based on your new understanding of Master Data Management and how or.pdf
Based on your new understanding of Master Data Management and how organizations collect
and store information; discuss what security challenges organizations face and what they can do
to overcome those challenges
Solution
Master Data Management (MDM) is a process of creating and organizing data that an
organization should have as a single master copy, called the master data. Master Data refers to a
general data about clients, suppliers, partners, products and materials, accounts that is commonly
stored and pretend across IT systems.
Organization collects and store data as follows-
Collection of data-
Store of data-
Following security challenges an organizations face-
To overcome from these challenges organization creates strong authentication, digital signature,
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B Ann baked more pans of lasagna. Each pan was shared with a different group of people. For
each group below, Write each person\'s share as a number of servings Write each person\'s share
as a fractional and decimal part of a pan. 1. One pan was shared among Wendy\'s four favorite
teachers. 2. Ann miscalculated and had only one pan to share among all 200 sixth - graders at
Wendy\'s school. 3. One pan went to eight of Ann\'s neighbors.
Solution.
Answer using basic programming beginner knowledge pls...........Othe.pdf
Answer using basic programming beginner knowledge pls...........Otherwiselet someone more
explicit respond.
pls do post your program output........ thanks
A teacher has five students who have taken four tests. The teacher uses the following grading
scale to assign a letter grade to a student, based on the average of his or her four test scores:
Test Score Letter Grade
90–100 A
80–89 B
70–79 C
60–69 D
0–59 F
Write a class that uses a String array to hold the five students’ names,
an array of five characters to hold the five students’ letter grades, and five arrays of four
doubles each to hold each student’s set of test scores. The class should have methods that
return a specific student’s name, the average test score, and a letter grade based on the average.
Demonstrate the class in a program that allows the user to enter each student’s name and his
or her four test scores. It should then display each student’s average test score and letter grade.
Input Validation: Do not accept test scores less than zero or greater than 100.
MY SOLUTION SO FAR
1 /* Write a class that uses and
2 The class should have methods thatreturn a specific student’s name,
3 the average test score, and a letter grade based on the average.
4
5 Demonstrate the class in a program that
6 and hisor her four test scores. It should then display each student’s average
7 test score and letter grade.
8 */
9
10 import java.util.Scanner;
11
12 public class GradeBook
13 {
14 // The Scores field is a variable
15 // that will reference an array
16 // of test scores.
17 private double[] scores;
18
19 /** Constructor
20 @param scoreArray An array of testscores.
21 */
22 public GradeBook(double[] scoreArray)
23 {
24 // Assign the array argument to the testScores field.
25 scores = scoreArray;
26 }
27
28 //create a scanner Object to read user input.
29 Scanner keyboard = new Scanner(System.in);
30
31 //allows the user to enter each student’s name
32 public String getStudentName()
33 {
34 String[] name = {\"\"};
35 String studentName = (\"\");
36
37 //loop through for five students names input.
38 for(int i = 0; i < name.length + 1; i++)
39 {
40 System.out.print(\"Enter student name #\" + (i+1) + \":\");;
41 studentName = keyboard.nextLine();
42 }
43
44 // Create the account.
45 array[i] = new GradeBook(studentName);
46 return studentName;
47 }
48
49 //user input four test scores for each student.
50 //display each student’s average test score.
51 public double getAverageTestScore(){
52 double totalTestScore = 0;
53 double score;
54
55 //ask user for four test scores using a for loop
56 for(int i = 0; i < scores.length; i++)
57 {
58 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
59 score = keyboard.nextDouble();
60
61
62 //Input Validation: Do not accept test scores less than zero or greater than 100.
63 if(score < 0 || score > 100){
64 System.out.println(\"ERROR: You must enter a test score between -1 and 101. \");
65
66 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
.
Andy and Ben are going to play a final round of game 5 to determine .pdf
Andy and Ben are going to play a final round of game 5 to determine the winner. Andy decides
to answer the questions he is sure of. He calculates he can correctly answer 9/10 of the question
(4 points each), and lose 1 point each for the 1/10 of the questiond he answers incorrectly. He
needs a score of at least 145 to win the game.
Write and solve an inequality to find the minimum number of questions that Andy must answer,
if his thinking is correct, to score at least 145 points.
Solution
given that andy answer 9 out of 10 so th probablity =9/10
incorrect answer=1/10
they have to answer 50 correct answers to getting 145 points.
A die is rolled repeatedly until two consecutive rolls have the same .pdf
A die is rolled repeatedly until two consecutive rolls have the same number. How many times do
you expect to roll the die?
Solution
Let E be the expected number of rolls.
Suppose, we expect the number 6 to come twice. Assume that there are 6 rolls until a 6 comes.
Now, there is a 1/6 chance to roll once more and 5/6 chance of starting all over again.
Thus, E=6+1/6*1+5/6(E+1)
E=42.
A 70-kg individual drinks 2 Lday from a pond outside his house. Wha.pdf
A 70-kg individual drinks 2 L/day from a pond outside his house. What he is not aware of is that
a factory upstream dumps dichloroethylene in the stream feeding his pond. Assume that he has
been drinking this water for 20 years, what are the hazard quotient and the cancer risk of his
exposure? Suppose he plans to stay for another 10 years before he retires and moves to Florida,
what are the additional risks? (10 points) Additional Information: The pond has a volume of 106
m3 . The feeding stream has a flow rate of 103 m3 /day. The wastewater from the factory 102
m3 /day and contains 1.1 mg/L of dichloroethylene. Neglect the evaporation of water. Neglect
the evaporation and reaction of the pollutant.
Solution
The waste water stream contains 1.1mg/L of dichloroethylene and the prescribed limit is equal
0.1 mg/L, which was derived based on hepatic toxicity reported from compound-specific data.
A lot studies done on the drinking water analysis containing dichloroethylene the risk of cancer
has not been found but the metabolism product reactive carbonyl compound formed, rather than
its electrophilic reactivity, Can be a determinant of carcinogenic potency. These carbonyl
compounds were formed by both the radical and the epoxidation pathway and that the protonated
forms of the epoxides may also act as the ultimate carcinogens.
Apart from this there are a lot of other health hazard by drinking the contaminated water such as:
central nervous system depression ataxia, suppression of the righting reflex, ruffled fur, and
hunched back
Neurological effects, including nausea, drowsiness, fatigue, and vertigo, have been reported
following exposure to lower levels.
Effects on blood (decreased hematocrit and hemoglobin levels.
Pathological liver changes (fatty liver) degeneration of lobules and Kupffer cells
Slight reductions (statistically significant) in plasma creatinine and BUN levels, and an increase
in plasma calcium levels.
Aniline N-hydroxylase activity depresses.
Hyperemia of the mucosal surface of the stomach and small intestines.
Changes in Spleen size.
Convolated tubule necrosis..
4.2.4. Suppose we assume that X1, X2, . . . , Xn is a random sample .pdf
4.2.4. Suppose we assume that X1, X2, . . . , Xn is a random sample from a (1, )
distribution.
(a) Show that the random variable (2/)
n
i=1
Xi has a
2
-distribution with 2n
degrees of freedom.
(b) Using the random variable in part (a) as a pivot random variable, nd a
(1 )100% condence interval for .
Hogg, Robert T; McKean, Joeseph; Craig, Allen T (2012-02-08). Introduction to Mathematical
Statistics (7th Edition) (Page 219). Pearson HE, Inc.. Kindle Edition.
Solution.
2. If you have a nonlinear relationship between an independent varia.pdf
2. If you have a nonlinear relationship between an independent variable x and a dependent
variable y, how can you apply the least -squares fit method? Does this work for all nonlinear
relationships? if not please give an example of a nonlinear equation where the fit method cannot
be used.(No need to use Matlab on this question).
Solution
A)The assumptions of linearity and additivity are both implicit in this specification. • Additivity
= assumption that for each IV X, the amount of change in E(Y) associated with a unit increase in
X (holding all other variables constant) is the same regardless of the values of the other IVs in
the model. That is, the effect of X1 does not depend on X2; increasing X1 from 10 to 11 will
have the same effect regardless of whether X2 = 0 or X2 = 1. • With non-additivity, the effect of
X on Y depends on the value of a third variable, e.g. gender. As we’ve just discussed, we use
models with multiplicative interaction effects when relationships are non-additive.
Linearity = assumption that for each IV, the amount of change in the mean value of Y associated
with a unit increase in the IV, holding all other variables constant, is the same regardless of the
level of X, e.g. increasing X from 10 to 11 will produce the same amount of increase in E(Y) as
increasing X from 20 to 21. Put another way, the effect of a 1 unit increase in X does not depend
on the value of X. • With nonlinearity, the effect of X on Y depends on the value of X; in effect,
X somehow interacts with itself. This is sometimes refered to as a self interaction. The
interaction may be multiplicative but it can take on other forms as well, e.g. you may need to
take logs of variables.
Dealing with Nonlinearity in variables. We will see that many nonlinear specifications can be
converted to linear form by performing transformations on the variables in the model. For
example, if Y is related to X by the equation E Yi Xi ( ) = + 2 and the relationship between the
variables is therefore nonlinear, we can define a new variable Z = X2 . The new variable Z is
then linearly related to Y, and OLS regression can be used to estimate the coefficients of the
model. There are numerous other cases where, given appropriate transformations of the
variables, nonlinear relationships can be converted into models for which coefficients can be
estimated using OLS. We’ll cover a few of the most important and common ones here, but there
are many others. Detecting nonlinearity and nonadditivity. The key question is whether the slope
of the relationship between an IV and a DV can be expected to vary depending on the context. •
The first step in detecting nonlinearity or nonadditivity is theoretical rather than technical. Once
the nature of the expected relationship is understood well enough to make a rough graph of it, the
technical work should begin. Hence, ask such questions as, can the slope of the relationship
between Xi and E(Y) be expected to have the same sign for all value.
Write a MATLAB program that finds the maximum element in a matrix. Yo.pdf
Write a MATLAB program that finds the maximum element in a matrix. You program should
first ask users to enter the matrix.
Solution
%finding the maximum value element in matrix
fprintf(\'enter the matrix B\')
A=input(\'enter the matrix A\')
q=max(max(A));%maximum element in matrix
fprintf(\'maximum element matrix is :\')
disp(q).
Write a Prolog function countAllX which counts the number of occurre.pdf
Write a Prolog function countAllX which counts the number of occurrences of an element in a
list, no matter how deeply nested they are. For example:
countAllX (A, [A B A [A 1 A [A A]]], N)
Returns N = 6
Thanks a lot for your help!!!
Solution
countAllX([],x,0).
countAllX([x|T],x,y):-countAllX(T,x,z),y is 1+z;
countAllX([x1|T],x,z):-x1\\=x,countAllX(T,x,z). // here we are creating a new dummy variable
called X1 that counts the number of occurences of a particular element
countall(LIST,x,c):-
sort(LIST,LIST1) , // this helps in sorting out the elements and helps in counting the number of
occurances of a particular number even if it is repeated
member(x,LIST1),
count(LIST,x,c)..
why is cell membrane semipermeableSolutioncell membrane needs .pdf
why is cell membrane semipermeable
Solution
cell membrane needs flow of ions in and out of the cell and needs to restrict certain items which
are toxic to cell so it is not totally permeable instead it is semipermable ... also there are channel
protiens embedded in cell membranes and they allow the transport of ions in and out of the cell
as in case of sodium pottassium pump..... hope it helps ...
Why are income statements and statement of cash flows dated similarl.pdf
Why are income statements and statement of cash flows dated similarly.
Solution
The statement of cash flows measures the sources of a company\'s cash and its uses of cash over
a specific time period. The income statement measures a company\'s financial performance, such
as revenues, expenses, profits or losses over a specific time period.
A cash flow statement shows exactly how much money a company has received and how much it
has spent, traditionally over a period of one year. It captures the current operating results and
changes on the balance sheet, such as increases or decreases in accounts receivable or accounts
payable, and does not include noncash accounting such as depreciation and amortization. A cash
flow statement is used to determine the short-term viability and liquidity of a company,
specifically how well it is positioned to pay its bills and vendors.
An income statement is the most common financial statement and shows a company\'s revenue;
total expenses, including noncash accounting such as depreciation; and profit or loss, over a
period of one year. An income statement is used to determine the financial performance of a
company, specifically how much revenue it made, how many expenses it paid, and the resulting
profit or loss from the revenue and expenses.
That\'s why these both statements are dated similarly..
Write a computer program as a Win32 console application in C to proc.pdf
Write a computer program as a Win32 console application in C to process a text data fileof
names in which each name is on a separate line of at most 80 characters. See twosample names
below:
Hartman-Montgomery, Jane R.Doe, J. D.
On each line the surname is followed by a comma and a space. Next comes the first nameor
initial, then a space and the middle initial. Your program should scan the names intothree arrays -
surname, first, and middle_init. If the surname is longer than 15characters, store only the first 15.
Similarly, limit the first name to ten characters. Do notstore periods in the first and middle_init
arrays. Write the array’s contents to a
file named names_output.txt, aligning the contents of each column, as shownbelow for the
sample data above:
Hartman-Mongom Jane R
Doe J D
Solution
#include
#include
#include
int main()
{
FILE* fp;
char line[255];
char first[15],last[15],surname[15];
int i=0,j;
fp = fopen(\"input.txt\" , \"r\");
while( fgets(line, sizeof(line), fp) != NULL ){ // reading from file
char *position;
if ((position=strchr(line, \'\ \')) != NULL)
*position = \'\\0\';
strcpy(first[i] , strtok(line,\",\"));
strcpy(line, strtok(line,\",\"));
strcpy(last[i] , strtok(line,\" \"));
strcpy(surname[i] , strtok(NULL,\" \"));
i++;
}
// writing to this file
FILE *f = fopen(\"names_output.txt\", \"w\");
if (f == NULL)
{
printf(\"Error in opening file!\ \");
exit(1);
}
for(j=0;j.
Which of the following is not matched with its proper germ layer of .pdf
Which of the following is not matched with its proper germ layer of origin?
Notochord – mesoderm
Dorsal hollow nerve cord – neural crest
Somite – mesoderm
Lining of gut – endoderm
Dermis of skin – mesodermA.
Notochord – mesodermB.
Dorsal hollow nerve cord – neural crestC.
Somite – mesodermD.
Lining of gut – endodermE.
Dermis of skin – mesoderm
Solution
The answer is B.Dorsal hollow nerve cord – neural crest. as because it is a precursor of nervous
system.
What values were affected by simulate airway obstruction, and why Ex.pdf
What values were affected by simulate airway obstruction, and why? Explain the physiological
events that occurred during the simulated asthma attack.
Solution
Ans:
In patients with obstructive lung disease, the small airways are partially obstructed by a
pathological condition. The most common forms are asthma and COPD.
A patient with obstructive lung disease typically has a concave F/V loop. The air in the large
airways usually can be expired without problems, so PEF may be normal. When all the air is
expired from the large airways, air from the smaller airways will be expired. With obstructive
lung disease, these airways are partially blocked, so the air will come out slower (you can
simulate this by blowing out through a straw!).
This will result in a lower flow and a (more or less) sharp fall in the flow-volume .
FEV1 and FEF25-75 will be too low.
Typically the patient will have a normal FVC at the early stages of his condition.
The FET (Forced Expiratory Time) will be higher due to the lower flow but equal volume.
Historically a Tiffeneau index (FEV1/FVC x 100) less than 70% was considered to be very
suggestive for obstructive lung disease. Nowadays the value is compared to LLN.
A bronchodilator test will than be performed to assess reversibility.
Theasthma symptoms are caused by 3 main physiological events are as follows.
Tightening of the muscles lining the airways: This contraction or tightening of the bronchial
smooth muscles is called bronchospasm or bronchoconstriction. As these muscles tighten around
the outside of your bronchial tubes, causing narrowing, it becomes more difficult to move air
through the lung. When this occurs, you may notice shortness of breath, chest tightness or
wheezing.
Mucus production: In addition to the bronchoconstriction, airways of the lung produce an
increased amount of mucus. This can lead to mucus plugging and further narrowing of the
airways, making symptoms worse.
Inflammation: The inside of the airways become swollen and inflamed. This swelling even
further decreases airflow and makes it more difficult to breathe. The inflammation generally
occurs later in an asthma attack.
Apart from this the person feels
· Coughing. Coughing from asthma often is worse at night or early in the morning, making
it hard to sleep.
· Wheezing. Wheezing is a whistling or squeaky sound that occurs when you breathe.
· Chest tightness. This may feel like something is squeezing or sitting on your chest.
· Shortness of breath. Some people who have asthma say they can\'t catch their breath or
they feel out of breath. You may feel like you can\'t get air out of your lungs.
· sweating, itching in the throat, light feeling in the chest, irritation to cigarette smoke, air
pollution, chemicals or dust in the workplace, compounds in home décor products, and sprays
(such as hairspray)..
what is the shadow of irresponsibility and the shadow of privilege .pdf
what is the shadow of irresponsibility and the shadow of privilege? What are the basic
characteristic traits of wisdom, diligence, humility etc. what is Moral compass and golden rule
and how do they relate to emotional and ethical intelligence as discussed by Weinstein and
Maxwell. What are The various management theories of motivation/productivity?
Solution
As per the shadow of irresponsibility the roles of the leaders and followers can be distinguished
by the breadth of responsibility. Leaders act irresponsibly when they ignore ethical problems,
don\'t take responsibility for consequences of their actions.
As per shadow of privilege the greater powers that a leader has, the greater is the quantum of
privelege they receive.
Wisdom - the traits are discipline, curious, patience, humble, ability to learn from mistakes and
failures
Diligence - the traits are steadfast application, industrious, and assiduousness
Humility - the traits are conscientious, patience, believers in relationships..
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...Nguyen Thanh Tu Collection
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Could please answer those questions about North country movieHere.pdf
Could please answer those questions about North country movie?
Here are the questions:
What is the deviant conduct?
How are labels used and contested?
How does the label of deviance as portrayed in the clip relate to social change?
Solution
Josey during her school days had suffered with a school punishment for caught kissing with her
boyfriend. This is something not acceptable as a good act. Josey was raped by her Teacher
leading to pregnancy and Sammy\'s Birth. This is highly deviant conduct not acceptable in
society. Labels are used on the basis of ones past deeds in society. If someone is acting according
to the society rules and manners that are acceptable among public, then he earns respect and
good label. If someone is acting against the social acceptance then he will face the same thing in
behaviour of people towards her. Earlier when it was not clear that who is Sammy\'s father, Hank
was ashamed of Josey but when it became clear that she was targetted by her teacher during
school days, Hank started supporting her and also all the support from miners women and family
started pouring in for her. And mining company was forced to pay for the sufferings of many
other women like her in the mine. So, label of deviance was first the reason for her unacceptance
in society later on when she earned a clean image in society, she earned support as well..
Consider the equation 1 - 2x = sin x. Use the Intermediate Value The.pdf
Consider the equation 1 - 2x = sin x. Use the Intermediate Value Theorem to prove that this
equation has a in the interval (0, pi /4). Check all the criterions in the IVT. Use a graphing
calculator to find an interval of length 0.01 that contains this . Explain how to obtain this
interval.
Solution
let f(x) = sinx + 2x -1 (it is clearly a continuous function in the given interval)
now f(0) = -1 and f(/4) = 1/2 + /2 -1>0
Since f(0)< 0 < f(/4), by intermediate value theorem there exists a point x for which f(x)=0 i.e
f(x) has a root..
CommunicationsEvery organization has its own unique “organization.pdf
Communications:
Every organization has its own unique “organizational culture.” Define ‘organizational culture”
and discuss Deal and Kennedy’s “strong cultures.” Can you think of one or two examples of
companies with a “strong” culture?
Solution
Organization culture is art of social programming consist of organization value, beliefs and code
that the whole organization should be maintain.
_____________________________________________________________________________
________
Deal and Kennedy’s they believed focus with each employee growth and develop lead to
success of organization, why because each individual work is very important all employees
giving high performance then the organization never go for failure so both believed strong in
culture such as ceremonies, cultural network etc.
_____________________________________________________________________________
_____
I think INTEL having strong culture because it has been started 1968 still is running as smarter,
in between INTEL faced some major problem, later it was resolved. Now a days Intel higher
authorities strongly shaping their culture.
_____________________________________________________________________________
____________.
choose the word that BEST fits each statement.A. stomachB. Esoph.pdf
choose the word that BEST fits each statement.
A. stomach
B. Esophagus
C. Small intestine
D. Large intestine
E. Liver
* Absorb large quantitie of water ___________
*Secretes pepsin and HCl __________
* Converts glucose to glycogen ___________
*Is the major organ for the absorpion of the end products of digestion __________
*Secretes a fat-emulsifying substance. ___________
Solution
absorbs large quanities of water
1)large intestine.
secretes pespin and HCL
2)stomach.
converts glucose to glycogen
3)liver.
is the major organ for the absorbtion of the end products of digestion
4)oesophagus.
secretes a fat emulsifying substance
5)small intestine..
Based on your new understanding of Master Data Management and how or.pdf
Based on your new understanding of Master Data Management and how organizations collect
and store information; discuss what security challenges organizations face and what they can do
to overcome those challenges
Solution
Master Data Management (MDM) is a process of creating and organizing data that an
organization should have as a single master copy, called the master data. Master Data refers to a
general data about clients, suppliers, partners, products and materials, accounts that is commonly
stored and pretend across IT systems.
Organization collects and store data as follows-
Collection of data-
Store of data-
Following security challenges an organizations face-
To overcome from these challenges organization creates strong authentication, digital signature,
and Secure Socket Layer (.
B Ann baked more pans of lasagna. Each pan was shared with a differen.pdf
B Ann baked more pans of lasagna. Each pan was shared with a different group of people. For
each group below, Write each person\'s share as a number of servings Write each person\'s share
as a fractional and decimal part of a pan. 1. One pan was shared among Wendy\'s four favorite
teachers. 2. Ann miscalculated and had only one pan to share among all 200 sixth - graders at
Wendy\'s school. 3. One pan went to eight of Ann\'s neighbors.
Solution.
Answer using basic programming beginner knowledge pls...........Othe.pdf
Answer using basic programming beginner knowledge pls...........Otherwiselet someone more
explicit respond.
pls do post your program output........ thanks
A teacher has five students who have taken four tests. The teacher uses the following grading
scale to assign a letter grade to a student, based on the average of his or her four test scores:
Test Score Letter Grade
90–100 A
80–89 B
70–79 C
60–69 D
0–59 F
Write a class that uses a String array to hold the five students’ names,
an array of five characters to hold the five students’ letter grades, and five arrays of four
doubles each to hold each student’s set of test scores. The class should have methods that
return a specific student’s name, the average test score, and a letter grade based on the average.
Demonstrate the class in a program that allows the user to enter each student’s name and his
or her four test scores. It should then display each student’s average test score and letter grade.
Input Validation: Do not accept test scores less than zero or greater than 100.
MY SOLUTION SO FAR
1 /* Write a class that uses and
2 The class should have methods thatreturn a specific student’s name,
3 the average test score, and a letter grade based on the average.
4
5 Demonstrate the class in a program that
6 and hisor her four test scores. It should then display each student’s average
7 test score and letter grade.
8 */
9
10 import java.util.Scanner;
11
12 public class GradeBook
13 {
14 // The Scores field is a variable
15 // that will reference an array
16 // of test scores.
17 private double[] scores;
18
19 /** Constructor
20 @param scoreArray An array of testscores.
21 */
22 public GradeBook(double[] scoreArray)
23 {
24 // Assign the array argument to the testScores field.
25 scores = scoreArray;
26 }
27
28 //create a scanner Object to read user input.
29 Scanner keyboard = new Scanner(System.in);
30
31 //allows the user to enter each student’s name
32 public String getStudentName()
33 {
34 String[] name = {\"\"};
35 String studentName = (\"\");
36
37 //loop through for five students names input.
38 for(int i = 0; i < name.length + 1; i++)
39 {
40 System.out.print(\"Enter student name #\" + (i+1) + \":\");;
41 studentName = keyboard.nextLine();
42 }
43
44 // Create the account.
45 array[i] = new GradeBook(studentName);
46 return studentName;
47 }
48
49 //user input four test scores for each student.
50 //display each student’s average test score.
51 public double getAverageTestScore(){
52 double totalTestScore = 0;
53 double score;
54
55 //ask user for four test scores using a for loop
56 for(int i = 0; i < scores.length; i++)
57 {
58 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
59 score = keyboard.nextDouble();
60
61
62 //Input Validation: Do not accept test scores less than zero or greater than 100.
63 if(score < 0 || score > 100){
64 System.out.println(\"ERROR: You must enter a test score between -1 and 101. \");
65
66 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
.
Andy and Ben are going to play a final round of game 5 to determine .pdf
Andy and Ben are going to play a final round of game 5 to determine the winner. Andy decides
to answer the questions he is sure of. He calculates he can correctly answer 9/10 of the question
(4 points each), and lose 1 point each for the 1/10 of the questiond he answers incorrectly. He
needs a score of at least 145 to win the game.
Write and solve an inequality to find the minimum number of questions that Andy must answer,
if his thinking is correct, to score at least 145 points.
Solution
given that andy answer 9 out of 10 so th probablity =9/10
incorrect answer=1/10
they have to answer 50 correct answers to getting 145 points.
A die is rolled repeatedly until two consecutive rolls have the same .pdf
A die is rolled repeatedly until two consecutive rolls have the same number. How many times do
you expect to roll the die?
Solution
Let E be the expected number of rolls.
Suppose, we expect the number 6 to come twice. Assume that there are 6 rolls until a 6 comes.
Now, there is a 1/6 chance to roll once more and 5/6 chance of starting all over again.
Thus, E=6+1/6*1+5/6(E+1)
E=42.
A 70-kg individual drinks 2 Lday from a pond outside his house. Wha.pdf
A 70-kg individual drinks 2 L/day from a pond outside his house. What he is not aware of is that
a factory upstream dumps dichloroethylene in the stream feeding his pond. Assume that he has
been drinking this water for 20 years, what are the hazard quotient and the cancer risk of his
exposure? Suppose he plans to stay for another 10 years before he retires and moves to Florida,
what are the additional risks? (10 points) Additional Information: The pond has a volume of 106
m3 . The feeding stream has a flow rate of 103 m3 /day. The wastewater from the factory 102
m3 /day and contains 1.1 mg/L of dichloroethylene. Neglect the evaporation of water. Neglect
the evaporation and reaction of the pollutant.
Solution
The waste water stream contains 1.1mg/L of dichloroethylene and the prescribed limit is equal
0.1 mg/L, which was derived based on hepatic toxicity reported from compound-specific data.
A lot studies done on the drinking water analysis containing dichloroethylene the risk of cancer
has not been found but the metabolism product reactive carbonyl compound formed, rather than
its electrophilic reactivity, Can be a determinant of carcinogenic potency. These carbonyl
compounds were formed by both the radical and the epoxidation pathway and that the protonated
forms of the epoxides may also act as the ultimate carcinogens.
Apart from this there are a lot of other health hazard by drinking the contaminated water such as:
central nervous system depression ataxia, suppression of the righting reflex, ruffled fur, and
hunched back
Neurological effects, including nausea, drowsiness, fatigue, and vertigo, have been reported
following exposure to lower levels.
Effects on blood (decreased hematocrit and hemoglobin levels.
Pathological liver changes (fatty liver) degeneration of lobules and Kupffer cells
Slight reductions (statistically significant) in plasma creatinine and BUN levels, and an increase
in plasma calcium levels.
Aniline N-hydroxylase activity depresses.
Hyperemia of the mucosal surface of the stomach and small intestines.
Changes in Spleen size.
Convolated tubule necrosis..
4.2.4. Suppose we assume that X1, X2, . . . , Xn is a random sample .pdf
4.2.4. Suppose we assume that X1, X2, . . . , Xn is a random sample from a (1, )
distribution.
(a) Show that the random variable (2/)
n
i=1
Xi has a
2
-distribution with 2n
degrees of freedom.
(b) Using the random variable in part (a) as a pivot random variable, nd a
(1 )100% condence interval for .
Hogg, Robert T; McKean, Joeseph; Craig, Allen T (2012-02-08). Introduction to Mathematical
Statistics (7th Edition) (Page 219). Pearson HE, Inc.. Kindle Edition.
Solution.
2. If you have a nonlinear relationship between an independent varia.pdf
2. If you have a nonlinear relationship between an independent variable x and a dependent
variable y, how can you apply the least -squares fit method? Does this work for all nonlinear
relationships? if not please give an example of a nonlinear equation where the fit method cannot
be used.(No need to use Matlab on this question).
Solution
A)The assumptions of linearity and additivity are both implicit in this specification. • Additivity
= assumption that for each IV X, the amount of change in E(Y) associated with a unit increase in
X (holding all other variables constant) is the same regardless of the values of the other IVs in
the model. That is, the effect of X1 does not depend on X2; increasing X1 from 10 to 11 will
have the same effect regardless of whether X2 = 0 or X2 = 1. • With non-additivity, the effect of
X on Y depends on the value of a third variable, e.g. gender. As we’ve just discussed, we use
models with multiplicative interaction effects when relationships are non-additive.
Linearity = assumption that for each IV, the amount of change in the mean value of Y associated
with a unit increase in the IV, holding all other variables constant, is the same regardless of the
level of X, e.g. increasing X from 10 to 11 will produce the same amount of increase in E(Y) as
increasing X from 20 to 21. Put another way, the effect of a 1 unit increase in X does not depend
on the value of X. • With nonlinearity, the effect of X on Y depends on the value of X; in effect,
X somehow interacts with itself. This is sometimes refered to as a self interaction. The
interaction may be multiplicative but it can take on other forms as well, e.g. you may need to
take logs of variables.
Dealing with Nonlinearity in variables. We will see that many nonlinear specifications can be
converted to linear form by performing transformations on the variables in the model. For
example, if Y is related to X by the equation E Yi Xi ( ) = + 2 and the relationship between the
variables is therefore nonlinear, we can define a new variable Z = X2 . The new variable Z is
then linearly related to Y, and OLS regression can be used to estimate the coefficients of the
model. There are numerous other cases where, given appropriate transformations of the
variables, nonlinear relationships can be converted into models for which coefficients can be
estimated using OLS. We’ll cover a few of the most important and common ones here, but there
are many others. Detecting nonlinearity and nonadditivity. The key question is whether the slope
of the relationship between an IV and a DV can be expected to vary depending on the context. •
The first step in detecting nonlinearity or nonadditivity is theoretical rather than technical. Once
the nature of the expected relationship is understood well enough to make a rough graph of it, the
technical work should begin. Hence, ask such questions as, can the slope of the relationship
between Xi and E(Y) be expected to have the same sign for all value.
Write a MATLAB program that finds the maximum element in a matrix. Yo.pdf
Write a MATLAB program that finds the maximum element in a matrix. You program should
first ask users to enter the matrix.
Solution
%finding the maximum value element in matrix
fprintf(\'enter the matrix B\')
A=input(\'enter the matrix A\')
q=max(max(A));%maximum element in matrix
fprintf(\'maximum element matrix is :\')
disp(q).
Write a Prolog function countAllX which counts the number of occurre.pdf
Write a Prolog function countAllX which counts the number of occurrences of an element in a
list, no matter how deeply nested they are. For example:
countAllX (A, [A B A [A 1 A [A A]]], N)
Returns N = 6
Thanks a lot for your help!!!
Solution
countAllX([],x,0).
countAllX([x|T],x,y):-countAllX(T,x,z),y is 1+z;
countAllX([x1|T],x,z):-x1\\=x,countAllX(T,x,z). // here we are creating a new dummy variable
called X1 that counts the number of occurences of a particular element
countall(LIST,x,c):-
sort(LIST,LIST1) , // this helps in sorting out the elements and helps in counting the number of
occurances of a particular number even if it is repeated
member(x,LIST1),
count(LIST,x,c)..
why is cell membrane semipermeableSolutioncell membrane needs .pdf
why is cell membrane semipermeable
Solution
cell membrane needs flow of ions in and out of the cell and needs to restrict certain items which
are toxic to cell so it is not totally permeable instead it is semipermable ... also there are channel
protiens embedded in cell membranes and they allow the transport of ions in and out of the cell
as in case of sodium pottassium pump..... hope it helps ...
Why are income statements and statement of cash flows dated similarl.pdf
Why are income statements and statement of cash flows dated similarly.
Solution
The statement of cash flows measures the sources of a company\'s cash and its uses of cash over
a specific time period. The income statement measures a company\'s financial performance, such
as revenues, expenses, profits or losses over a specific time period.
A cash flow statement shows exactly how much money a company has received and how much it
has spent, traditionally over a period of one year. It captures the current operating results and
changes on the balance sheet, such as increases or decreases in accounts receivable or accounts
payable, and does not include noncash accounting such as depreciation and amortization. A cash
flow statement is used to determine the short-term viability and liquidity of a company,
specifically how well it is positioned to pay its bills and vendors.
An income statement is the most common financial statement and shows a company\'s revenue;
total expenses, including noncash accounting such as depreciation; and profit or loss, over a
period of one year. An income statement is used to determine the financial performance of a
company, specifically how much revenue it made, how many expenses it paid, and the resulting
profit or loss from the revenue and expenses.
That\'s why these both statements are dated similarly..
Write a computer program as a Win32 console application in C to proc.pdf
Write a computer program as a Win32 console application in C to process a text data fileof
names in which each name is on a separate line of at most 80 characters. See twosample names
below:
Hartman-Montgomery, Jane R.Doe, J. D.
On each line the surname is followed by a comma and a space. Next comes the first nameor
initial, then a space and the middle initial. Your program should scan the names intothree arrays -
surname, first, and middle_init. If the surname is longer than 15characters, store only the first 15.
Similarly, limit the first name to ten characters. Do notstore periods in the first and middle_init
arrays. Write the array’s contents to a
file named names_output.txt, aligning the contents of each column, as shownbelow for the
sample data above:
Hartman-Mongom Jane R
Doe J D
Solution
#include
#include
#include
int main()
{
FILE* fp;
char line[255];
char first[15],last[15],surname[15];
int i=0,j;
fp = fopen(\"input.txt\" , \"r\");
while( fgets(line, sizeof(line), fp) != NULL ){ // reading from file
char *position;
if ((position=strchr(line, \'\ \')) != NULL)
*position = \'\\0\';
strcpy(first[i] , strtok(line,\",\"));
strcpy(line, strtok(line,\",\"));
strcpy(last[i] , strtok(line,\" \"));
strcpy(surname[i] , strtok(NULL,\" \"));
i++;
}
// writing to this file
FILE *f = fopen(\"names_output.txt\", \"w\");
if (f == NULL)
{
printf(\"Error in opening file!\ \");
exit(1);
}
for(j=0;j.
Which of the following is not matched with its proper germ layer of .pdf
Which of the following is not matched with its proper germ layer of origin?
Notochord – mesoderm
Dorsal hollow nerve cord – neural crest
Somite – mesoderm
Lining of gut – endoderm
Dermis of skin – mesodermA.
Notochord – mesodermB.
Dorsal hollow nerve cord – neural crestC.
Somite – mesodermD.
Lining of gut – endodermE.
Dermis of skin – mesoderm
Solution
The answer is B.Dorsal hollow nerve cord – neural crest. as because it is a precursor of nervous
system.
What values were affected by simulate airway obstruction, and why Ex.pdf
What values were affected by simulate airway obstruction, and why? Explain the physiological
events that occurred during the simulated asthma attack.
Solution
Ans:
In patients with obstructive lung disease, the small airways are partially obstructed by a
pathological condition. The most common forms are asthma and COPD.
A patient with obstructive lung disease typically has a concave F/V loop. The air in the large
airways usually can be expired without problems, so PEF may be normal. When all the air is
expired from the large airways, air from the smaller airways will be expired. With obstructive
lung disease, these airways are partially blocked, so the air will come out slower (you can
simulate this by blowing out through a straw!).
This will result in a lower flow and a (more or less) sharp fall in the flow-volume .
FEV1 and FEF25-75 will be too low.
Typically the patient will have a normal FVC at the early stages of his condition.
The FET (Forced Expiratory Time) will be higher due to the lower flow but equal volume.
Historically a Tiffeneau index (FEV1/FVC x 100) less than 70% was considered to be very
suggestive for obstructive lung disease. Nowadays the value is compared to LLN.
A bronchodilator test will than be performed to assess reversibility.
Theasthma symptoms are caused by 3 main physiological events are as follows.
Tightening of the muscles lining the airways: This contraction or tightening of the bronchial
smooth muscles is called bronchospasm or bronchoconstriction. As these muscles tighten around
the outside of your bronchial tubes, causing narrowing, it becomes more difficult to move air
through the lung. When this occurs, you may notice shortness of breath, chest tightness or
wheezing.
Mucus production: In addition to the bronchoconstriction, airways of the lung produce an
increased amount of mucus. This can lead to mucus plugging and further narrowing of the
airways, making symptoms worse.
Inflammation: The inside of the airways become swollen and inflamed. This swelling even
further decreases airflow and makes it more difficult to breathe. The inflammation generally
occurs later in an asthma attack.
Apart from this the person feels
· Coughing. Coughing from asthma often is worse at night or early in the morning, making
it hard to sleep.
· Wheezing. Wheezing is a whistling or squeaky sound that occurs when you breathe.
· Chest tightness. This may feel like something is squeezing or sitting on your chest.
· Shortness of breath. Some people who have asthma say they can\'t catch their breath or
they feel out of breath. You may feel like you can\'t get air out of your lungs.
· sweating, itching in the throat, light feeling in the chest, irritation to cigarette smoke, air
pollution, chemicals or dust in the workplace, compounds in home décor products, and sprays
(such as hairspray)..
what is the shadow of irresponsibility and the shadow of privilege .pdf
what is the shadow of irresponsibility and the shadow of privilege? What are the basic
characteristic traits of wisdom, diligence, humility etc. what is Moral compass and golden rule
and how do they relate to emotional and ethical intelligence as discussed by Weinstein and
Maxwell. What are The various management theories of motivation/productivity?
Solution
As per the shadow of irresponsibility the roles of the leaders and followers can be distinguished
by the breadth of responsibility. Leaders act irresponsibly when they ignore ethical problems,
don\'t take responsibility for consequences of their actions.
As per shadow of privilege the greater powers that a leader has, the greater is the quantum of
privelege they receive.
Wisdom - the traits are discipline, curious, patience, humble, ability to learn from mistakes and
failures
Diligence - the traits are steadfast application, industrious, and assiduousness
Humility - the traits are conscientious, patience, believers in relationships..
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