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A fast food drive-through restaurant has a single serving booth staffed by a single operative. There is space for ten vehicles to wait if the service booth is occupied. If all ten spaces are occupied when a car arrives, it has to drive past and the customer is lost. Cars arrive at random at a rate of 55 per hour. Service times are exponential with a mean of one minute. Employees are paid 10.30 per hour. Time waiting before receiving service has a high value in the fast food industry. Here it is valued at 95 per hour. The average revenue per customer is 15. For this queueing situation, use the queueing template spreadsheet (and enter answers to the accuracy displayed by the spreadsheet) to calculate the average number of cars at the drive- through (the whole system) and the average time a car is waiting to be able to drive up to the booth and make their order and the probability a customer will fail to achieve entry to the drive- through . Note: Fill the first three blanks with 4 decimal places. Calculate the hourly cost of the system under present circumstances . Note: Enter this and all further costs in this question to 2 decimal places. The manager of the drive-through restaurant could choose to build and staff extra serving booths if it resulted in an overall cost saving. However, the additional space required would mean a reduction in the space for cars to wait for service for each additional booth, two waiting spaces are lost. To minimise costs, additional booths should be built. The waiting space is reduced to . This achieves a minimum hourly cost of.
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Anda boleh menganggap bahawa jualan adalah bertaburan normal. Cari kebarangkalian bahawa
jumlah jualan bagi setiap bulan adalah: i) less than 15,000 kurang daripada 15,000 ii) between
15,300 and 23,000 antara 15,300 dan 23,000 iii) over 23,000 melebihi 23,000 (8 marks) c) The
accountants report that for sales of 23,000 or over, the profit generated is RM25,000; for sales
between 15,300 and 23,000, the profit generated is RM8,000 and for sales less than 15,000, there
is a loss of RM20,000. Calculate the expected net profit..
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A healthy female Labrador retriever was mated with two healthy males. In the two litters produced
some of the offspring had hemophilia. If the female is bred to one of her male offspring that does
not have hemophilia, then the probability of the female offspring of this crossing having hemophilia
is:
elect one:
a.0%
b.25%
c.75%
d.100%.
A hypertonic solution is prepared by the addition of sucrose.pdf
A family with an interesting distribution of Leigh syndrome symptoms [loss of motor function,
(Ataxia; A); with peripheral neuropathy (PN)]. a) Construct a pedigree b) Explain the mode of
inheritance c) Why is there so much variation in symptoms? d) In what way does this condition
differ from classical albinism in terms of expression and transition?.
A group of n people were removed from the hotel After a mon.pdf
A group of n people were removed from the hotel. After a month, the kidnappers need to get rid of
these people, but they just don't want to let them go. They inform the hostages one evening that
the next morning they will be lined up one behind the other so that everyone sees those in front of
them but none behind. Then the captors will pass, starting with the last in line, and put a hat on
everyone's head, either red or black. Hats put down, the kidnappers will come back, always
starting at the end of the line, asking the simple question: what color hat do you have?. If the
person gives the correct color, they will be released. Otherwise, it will be executed instantly. The
only answer allowed (one that will not cause the responder to execute) is the color, black or red.
(a) How many people can be saved and how? Explain in detail (a formal proof but not necessary
at this time).
(b) Give (draw) an AFD that models the rescue protocol, with its interpretation. Pay attention to the
alphabet and the states.
2. Give a context-free grammar that generates the language L = {w {(,)} : w is parenthesis}. Prove
your answer..
A group of employees of Unique Services will be surveyed abo.pdf
A group of employees of Unique Services will be surveyed about a new pension plan. In-depth
interviews with each employee selected in the sample will be conducted. The employees are
classified as follows: What is the probability that the first person selected is either in management
or in supervision? Select one: a. 0 b. 0.21 c. 0.15 d. 0.06.
A Genler aras sekanslar insan genomunun gt60n oluturur.pdf
A. Genler aras sekanslar, insan genomunun >%60'n oluturur. Bu genler aras diziler nereden
geliyor?
B. levlerinden bazlar nelerdir?
A. mRNA'lar kodlayabilir
B. miRNA'lar kodlayabilir
C. levsel olmayan diziler olabilir
D. Transkripsiyon iin dzenleyici diziler olarak hizmet edebilir.
a Given that XX1X2Xn represents a random sample of .pdf
(a) Given that X=(X1,X2,,Xn) represents a random sample of size n from a Normal distribution with
unknown mean and unknown variance 2 denoted by N(,2) and the prior distribution of is N(0,02),
show that the posterior distribution of is N(1,12) where 1=n/2+1/02nX/2+0/02and12=n/2+1/021 (b)
Suppose the prior distribution of is N(12,4). A single observation x is taken. Find the posterior
distribution for in this case. In the case where 2=6 and x=10, find the posterior probability that >15..
A genetic disorder shows cytoplasmic inheritance A heteropl.pdf
A genetic disorder shows cytoplasmic inheritance. A heteroplasmic mother whose mitochondrial
genotype carries an allele for the genetic disorder could give rise to unaffected individuals if,
during fertilization a homoplasmic egg is used which had the normal allele that did not cause the
disorder.
a) True
b) False.
A generic queue is a general queue storage that can store an.pdf
A generic queue is a general queue storage that can store an unlimited number of objects.
In this lab, you need to implement two types of the generic queue including Queue and Deque.
The Java code of this module includes a class that represent Queues and was mentioned briefly
during the lecture, therefore if you need to, please revisit the java code.
The second special type of containers is called a Deque. A deque is a special type of queue that is
double ended. It means that elements can be added to the queue at both ends and removing can
be from both ends. In essence, a deque follows both a FIFO (First in, First out) and a LIFO (Last
In, First Out) rules to insert/remove from/to the queue. This means that a deque can play the role
of a queue and a stack at the same time. You can imagine a stack as a plate dispenser. When you
add a plate, you add it to the top of the dispenser. When you remove a plate, you remove it from
the top again. However, for a queue, you can imagine a queue of students waiting in line. The first
student who comes into the line is the first student served and hence removed from the line.
For the stack behavior of a deque, there are two main and two auxiliary methods:
push(object): This method adds the object to the stack. IN other words, the object is added at the
front.
pop(): removes the last element that was added, from the stack. In other words, the object is
removed from the front.
top(): returns the element, which is at the top of the stack, without removing it.
getSize(): returns the number of elements in the stack.
Your job for this lab, is to complete GenericQueue, Queue and Deque class. I have written a
comment, where you need to insert your code.
3.1. Class GenericQueue
The names of the methods in this class explain themselves. If you need more clarification, please
read the javaDoc for these methods.
3.2. Class Queue
While Queue Is-A generic queue, it follows the rule of Queue data structure (FIFO), therefore all
the methods should be implemented in a way that the rule is followed.
This class has an instance variable that holds all the items. The rest of the methods are self-
explanatory.
3.3. Class Deque
The Deque class is a special type of a Queue that was explained above. So the deque acts as a
queue and has additional methods that represent the stack behaviour.
This class has a constructor that uses the list that contains the data. To implement the rest of the
methods see their javaDoc.
import java.util.*;
import java.io.*;
/**
* This class is a GenericQueue that holds an unlimited number of
* objects. It is able to remove objects and add objects.
*/
public class GenericQueue {
// No instance variable should be defined for this class.
/**
* This method adds the <code> obj </code> to the GenericQueue.
* @param obj is the object that is added to the GenericQueue.
*/
void add(Object object) {
// insert your code here
}
/**
* This method removes the object from the GenericQueue
* @return returns the removed.
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A formal, often temporary, partnership involving two or more groups working together to achieve
specific goals according to a common plan is termed a:
community-based organization.
negotiation team.
conflict management review board
coalition.
community-based organization.
negotiation team.
conflict management review
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A Galup Roll released in December 2010 asked 2500 adults INi.pdf
A Galup Roll released in December 2010 asked 2500 adults INing in the Continental U 5 . about
their belief in the orlgin of humans. These results, along with resuls from a more comprehensive
poll (a) State hypotheses for the following research question: have beliefs on the origin of human
life changed since 2001 ? Ho: the population follows the 2001 distribution Hat the population
follows the 2010 distribution Ho: the population follows the 2001 distribution Ha: the population
doesn follow the 2001 distribution the population follows the 2010 distribution Ha: the population
doesn' folow the 2010 distribution (bic) Calculate the actual number of respondents in 2010 thut
fall in each response categary as wel! as the expected number, assuming that the popalabion
follows the 2001 distribition, fpicase roind in the neared whiole number?(bic) Calculate the actual
number of respondents in 2010 that fall in each response categgry as weil as the expected
number, assuming that the population follows the 2001 distabution. Goleose round to the nearest
whole number) (of Conduct a chi-Yquage test and stace your conclusion. The value of the test
statistic is pieave round to twa decima piocess) The deerees of freedam for this trat are. The
pralue for tho test is: greatec than:1 between 01 and 1 less than a} Sale the conclusion of the sest
in the canteat of the problem. The data does not proside suffiotit evidence to clam that the 2010
diatnbation s differem than the datribution in 2001 The data provide suthcent endence to daim that
the 2010 dismbutuon is diffecens than the detribuicion in 2001.
A functional genomics experiment is carried out in E coli t.pdf
A functional genomics experiment is carried out in E. coli to examine global levels of gene
expression in various types of minimal growth medium. RNA extracted from the experimental
culture is labeled with a molecule that fluoresces red, and RNA extracted from the control culture
is labeled with a molecule that fluoresces green. The experimental and control samples are mixed
prior to hybridization. Shown here are spots on the microarray corresponding to five genes: trpE
(the first gene in the tryptophan biosynthetic operon), lacI, lacZ, lacY, and crp (which encodes the
cAMP receptor protein). Color the spots red, green, or yellow according to the relative levels of
expression of each gene in the experimental and control cultures. (Hint: Before answering, think
carefully about how the cAMP receptor protein co-regulates the lac operon.).
A football team consists of 19 each freshmen and sophomores .pdf
A football team consists of 19 each freshmen and sophomores , 15 juniors , and 13 seniors . Four
players are selected at random to serve as captains . Find the probability of the following . Enter
your answers as fractions or as decimals rounded to 4 decimal places .
( a ) All 4 are seniors.
( b ) There is 1 each : freshman, sophomore , junior , and senior.
( c ) There are 2 sophomores and 2 freshmen.
( d ) At least 1 of the students is a senior..
A frequency table of grades has five classes A B C D F.pdf
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 4,10,14,6, and 3
respectively. Using percentages, what are the relative frequencies of the five classes? Complete
the table. (Round to two decimal places as needed.).
A frequently heard complaint about merit raises is that they.pdf
A frequently heard complaint about merit raises is that they do little to increase employee effort.
What are the causes of this belief?
What are the reasons behind the different payment methods for sales employees?
What are the advantages of profit sharing?
What are some reasons for the implementation of ESOPs?
Havc you ever been in a situation in which some people did more or less work than others but
everyone got the same grade?
What did that do to your motivation?
To what extent does that apply to employee compensation?.
A factor favoring the success of disruptive innovation is th.pdf
A factor favoring the success of disruptive innovation is that ___ Select one: a. incumbent firms
are slow to change. b. the low end of the market is highly guarded. c. incumbent firms focus on
radical innovation rather than incremental innovation. d. new entrants have highly formal
organizational structures and processes..
A family with an interesting distribution of Leigh syndrome .pdf
A family with an interesting distribution of Leigh syndrome symptoms [loss of motor function,
(Ataxia; A); with peripheral neuropathy (PN)]. a) Construct a pedigree b) Explain the mode of
inheritance c) Why is there so much variation in symptoms? d) In what way does this condition
differ from classical albinism in terms of expression and transition?.
A firms base pricing strategy establishes the initial price.pdf
A firms base pricing strategy establishes the initial price and sets the range of possible price
movements throughout the products life cycle. The initial price is critical, not only for initial success
but also for maintaining the potential for profit over the long term. Define and explain with an
example the following different approaches to base pricing: Price skimming Price penetration
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
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