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The entire SDLC process can be very lengthy and require a lot of planning. Who are the people that should be involved in the SDLC process? In what capacity should their involvement be? Solution Since SLDC is start to end delivery of software solutions over entire lifecycle, a lot people are involved in different phases of SLDC process. Project Manager is assigned to entire project to oversee the progress and completion of project required according to client. A business analyst’s role is to speak to the people in the project and gather the requirements, which are a list of things that the solution needs to do for it to be successful. This role is most important in first phase of SLDC. While designing and development of software, Developers and Designers play most prominent roles. Limited role of Business Analyst and Project Manager During the testing phase, Testers and Developers are most involved as they try to sniff out problems and solve them. Finally during implementation and releasing of software Release managers and Businessrepresentatives are involved along with Project Managers and Business Analysts.
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The term ‘project management’ initiated its journey in the early 1950s. By definition, project management is the practice of planning and organizing an organization’s resources in order to move a specific task to completion. Before acquiring knowledge in project management, it is significant to know what a ‘project’ is. For this, you can avail our project management assignment help
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4. Plan for providing the user with his account usage information.
Solution
c. The best thing is to consider all authentication options, not just using the traditional method of
passwords. Proper password selection (striking a balance between being easy to remember for
the user but difficult to guess for everyone else) has always been an issue..
The financial planning process include all of the following EXCEPT.pdf
The financial planning process include all of the following EXCEPT:
A. assessing the cureent status of the financial markets.
B. analyzing the client\'s financial status.
C. monitoring the portfolio.
D. developing a policy statement
E. establishing a client-advisor relationship.
Solution
A. assessing the cureent status of the financial markets
It is not job of financial advisor to nalyse current financial markets.His job is to provide financial
planning based on clients risk profile.
The European Union is by far the most important and most comprehensi.pdf
The European Union is by far the most important and most comprehensive regional economic
integration agreement in the world. Nonetheless, the EU faces numerous challenges, in particular
reaching consensus on economic, political, and governance issues.
Is the EU a success or failure? Defend your answer (consider the current events/issues in EU
affecting global business/trade).
Solution
European Union is the unification of 27 countries belonging to Europe and each country is
required to have a government that is democratic and protects human rights. Every member
country of the European Union should be prepared to be a part of administrative and judicial
structures of the EU.
Governance of the EU is challenging considering the number of participating countries. EU
success or failure depends on every member country.
The Felix Corp. will pay an annual dividend of $1.00 next year. The .pdf
The Felix Corp. will pay an annual dividend of $1.00 next year. The dividend will increase by 12
percent a year for the following two years before growing at 4 percent indefinitely thereafter. If
the required rate of return is 10 percent, what is the stock’s current value?
Solution
PVF@10% Present value D1 $ 1.00 0.909 $ 0.91 D2
$ 1.12 0.826 $ 0.93 D3 $ 1.25 0.751 $ 0.94
D4 $ 1.30 $ - P3 $ 21.74 0.751 $ 16.34
1.30/(10%-4%) Stock current value $ 19.11.
The field of quotients of any fieldDis isomorphic toD.WhySoluti.pdf
The field of quotients of any fieldDis isomorphic toD.Why?
Solution
Let K be the field of quotients of D.
Define the following function f: D --> K such that f(x)=x
First this is clearly a ring homomorphism:
f(x+y)=x+y=f(x)+f(y)
f(xy)=xy=f(x)f(y)
f(1)=1
It is also easily seen to be one to one:
if f(x)=f(y) then x=y
So far all this is saying is that D is contained in its field of quotients. But this is true for any
integral domain. Next we show f is onto which will say that F and K are actually the same field.
In other words the field of quotients of a field is just the field itself.
Let x be in K. Now by definition x=a/b for some elements a and b in D such that b is nonzero.
But if b is nonzero then since D is a field, b has a multiplicative inverse 1/b in D. Then
a*(1/b)=a/b is in D and f(a/b)=a/b=x. So f is onto.
In short, the field of quotients of an integral domain is the smallest field in which the integral
domain can be embedded. So if D is a field then it\'s field of quotients must be at least as big as
D (since D has to be embedded into it). But D is a field so it is thus the smallest field in which D
can be embedded. In other words, the field of quotients of a field F is just F.
Now of course you could say that they are not exactly the same field since the field of quotients
is actually comprised of equivalence classes of elements a/b where b is nonzero. But if D is a
field and a,b are elements of F with b nonzero then what is the equivalence class of a/b? Well,
suppose c/d is in the same equivalence class, then ad=bc. But b is nonzero so since we are in a
field we can multiply by its inverse to obtain.
(ad)/b = c
But d is also nonzero so multiplying by its inverse gives
a/b=c/d (now we are talking about elements of D and not equivalence classes)
So the equivalence class of a/b is really just a/b.
So D and its field of quotients really are the same field..
The feeding habits of two species of net-casting spiders are studied.pdf
The feeding habits of two species of net-casting spiders are studied. These species, the Dinopis
and Menneus, coexist in eastern Australia. One variable of interest is the size of the prey of each
species. Is there a difference in average prey size between Dinopis and Menneus based on the
data below?
Dinopis prey size (mm)
Menneus prey size (mm)
12.9
11.9
10.2
5.3
10.2
7.1
6.9
7.5
7.4
9.9
10.9
10.3
7.0
14.4
11.0
9.2
10.5
11.3
10.1
8.8
Test of equality of variances:
Ho:
Ha:
Test statistic & value:
p-value:
Statistical conclusion:
Test of means:
Ho:
Ha:
Test statistic & value:
p-value:
Statistical conclusion:
Practical conclusion:
Dinopis prey size (mm)
Menneus prey size (mm)
12.9
11.9
10.2
5.3
10.2
7.1
6.9
7.5
7.4
9.9
10.9
10.3
7.0
14.4
11.0
9.2
10.5
11.3
10.1
8.8
Solution
sample size,n
sample mean,x
standard deviation,s
alpha,a = 0.05
n1= 10 , x1= 10.26 , s1= 2.5136
n2= 10 , x2= 9.02 , s2= 1.8967
--------------------------------------------------------------------------------------------------------------------
Test of equality of variances:
H0: S1^2 = S1^2 (equal population variance)
H1: S1^2 is not equal to S1^2
test statistic, F = s1^2 / s2^2
test statistic, F = 1.756
degree of freedom,df = n1-1,n2-1 = 9,9
P-value = 0.207
Statistical conclusion: since P-value>0.05 hence we fail to reject H0
Practical conclusion:so we conclude that population variances are equal
--------------------------------------------------------------------------------------------------------------------
Test of means:
H0: u1 = u2
Ha: u1 is not equal to u2
standard error, SE = sqrt((s1^2/n1)+(s2^2/n2)
SE = 0.99577
test statistic, t = (x1-x2) / SE
test statistic, t = 1.245
degree of freedom,df = n1+n2-2 = 18
P-value = 0.23
Statistical conclusion: since P-value>0.05 hence we fail to reject H0
Practical conclusion:so we conclude that there is NO difference in average prey size between
Dinopis and Menneus.
The Federal Reserve uses the federal funds rate as an operating targe.pdf
The Federal Reserve uses the federal funds rate as an operating target becauseAit is an excellent
indicator of the economy\'s underlying inflation rateBit is very sensitive to bank reserve level
changesCit is determined by the TreasuryDthe Fed sets the rate directly
Solution
it is very sensitive to bank reserve level changes.
The feeding habits of two-species of net-casting spiders, DEINOPIS a.pdf
The feeding habits of two-species of net-casting spiders, DEINOPIS and MENNEUS, are
studied. They both coexist in eastern Australia. The following summary statistics were obtained
on the size, in millimeters, of the prey of the two species:
Adult DINOPIS
Adult MENNEUS
Assume that the populations of both species have relative frequency distributions that are
approximately normal and the samples are selected in an independent manner from two
populations. Estimate, with 95% confidence, the ratio of the two population variances.
Adult DINOPIS
Adult MENNEUS n_1= 10 n_2=10 X(bar)=10.30 y(bar)=9.06 S(x)^2=
(2.50)^2 S(Y)^2=(1.95)^2
Solution
Test of equality of variances:
H0: S1^2 = S1^2 (equal population variance)
H1: S1^2 is not equal to S1^2
test statistic, F = s1^2 / s2^2
test statistic, F = 1.643
degree of freedom,df = n1-1,n2-1 = 9,9
P-value = 0.207
Statistical conclusion: since P-value>0.05 hence we fail to reject H0
Practical conclusion:so we conclude that population variances are equal.
The FASB requires probable contingent losses that can be reasonably .pdf
The FASB requires probable contingent losses that can be reasonably estimated to be:
Aeither recorded on the financial statements or reported in the notes to the financial
statementsBignored until the actual loss materializesCreported in the notes to the financial
statementsDaccrued and reported on the financial statementsThe FASB requires probable
contingent losses that can be reasonably estimated to be:
Aeither recorded on the financial statements or reported in the notes to the financial
statementsBignored until the actual loss materializesCreported in the notes to the financial
statementsDaccrued and reported on the financial statements
Solution
Contingent losses are those events which occurred after the balance sheet date and it is essential
to call out the risk during disclosure of the financial statements.
Hence it is A - either recorded on the financial statements or reported in the notes to the financial
statements..
The Erie Canal has been called America’s first school of engineeri.pdf
The Erie Canal has been called America’s first school of engineering. How successful do you
think it was as a “school”? What would you identify as its major strengths as a school? What
would you identify as its most significant limitations as a school?
The Erie Canal has been called America’s first school of engineering. How successful do you
think it was as a “school”? What would you identify as its major strengths as a school? What
would you identify as its most significant limitations as a school?
Solution
There were no civil engineers in the United States. Erie Canals was a great pioneer work of
American engineering, where the engineers, without previous training, learned in the hard school
of experience, and conquering by courage, persistence and force of character, became famous in
their profession and spent lives of usefulness in their country’s welfare.
The engineers showed great sagacity in beginning their work on the middle section, the least
difficult and costly, and advancing in both directions. In this way they gradually prepared the
people for greater expense and at the same time gave them encouragement by showing them
steady progress; and all the while they were learning and feeling their way along, making
everything sure, and never sacrificing accuracy. They used such discretion and wisdom in the
selection of their assistants that the many enemies of the enterprise made no political capital out
of their errors and defects, nor did the State suffer from any want of fidelity and ability in the
discharge of their arduous and important duties
Many of the distinctive characteristics of American engineering originated with those Erie canal
engineers.
Limitation of Erie Canal School:.
The factors of inflation in Malaysia. ( with literature review)T.pdf
The factors of inflation in Malaysia. ( with literature review)
The factors of inflation in Malaysia. ( with literature review)
Solution
The various factors of inflation in Malaysia are as follows:
1. Globalization
2. Increase in Government purchases
3. Increase in Energy price
4. Minimum wage Policy
5. Domestic Supply Factors.
The family is the most basic of all human groups.ATrueSolution.pdf
The family is considered the most basic of all human groups because a person can live without other groups like friends or colleagues but cannot live without a family. The family provides essential support that allows people to survive and thrive, and people are willing to do anything to support their own family members. The document argues that the family unit is the most fundamental social structure for humans.
The events X and Y are mutually exclusive. Suppose P(X)=.05 and P(Y.pdf
The events X and Y are mutually exclusive. Suppose P(X)=.05 and P(Y)=0.2. What is the
probability of either X or Y occuring? What is the probability that neither X nor Y will happen?
Solution
P(X or Y) = .05 + .02 = .07. probability of neither happening would be 1 - 0.07 =
0.93..
the events X and Y are mutually exculsive. Suppose P(X)=.05 and P(Y.pdf
the events X and Y are mutually exculsive. Suppose P(X)=.05 and P(Y)=.02. What is the
probability of either X or Y occuring? What is the probability that neither X nor Y will happen?
Solution
If the two events are mutually exclusive, then we can just add the probabilities
together to get P(X or Y). The probability of neither happening is just 1 minus this number..
The EU and its common market are characterized by four liberties. .pdf
The EU and its common market are characterized by ?four liberties?. Please name them and
discuss one example.
Solution
Free Movement of Goods, People, Capital and Services are the founding liberties of EU
economy.
European nations in past had border control where there were physical borders, Customs and
Excise to allow goods to pass through member states
This was biggest problem because many states in EU are land locked and need goods and
services to pass throug some other state, This also involved numerous problems with exchange
currencies which would fluctuate rapidly.
EU founding principles have addressed many concerns of its people, It is one of the best thing
that ever happened to Europe, Free movement of People, Goods, Capital and services without
too much hurdles.
This has kept the European economy much more stable in difficult times..
The error of rejecting a true null hypothesis is A a Type I erro.pdf
The error of rejecting a true null hypothesis is
A a Type I error
B a Type II error
C can be either a or b, depending on the situation
D committed when not enough information is available
Solution
Type I error defined as a \"reject a true null hypothesis\". Type II error is defined as
a \"not rejecting a false null hypothesis\". Answer A a Type I error.
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The Erie Canal has been called America’s first school of engineeri.pdf
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