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well this is alsofor final term plz check it,,,thnks faheem,,,this is good efforts,,,keep it up frnd,,,,
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very good job
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bhai plzzzz mgt 611 k papers plz solved papers dhond dain
ok as Soon as possible i will post Mgt 611 papers
i am having one stats301 unsolved file..... can u pls solve it for me ?????
ma bht tens hn mgt 611 k papers ni milty
kahin sa b oper sa mid ka paper mery khyal sa acha hua tha but marks bilkul bht km thy pt ni usy kesy clear krna ha
i really worry for it.
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FINALTERM EXAMINATION Fall 2009
STA301 Statistics and Probability
Question No: 1 ( Marks: 1 )  Please choose one
Time: 120 min
Marks: 70
In measures of relative dispersion unit of measurement is:
► Changed
► Vanish
► Does not changed
► Dependent
Question No: 2 ( Marks: 1 )  Please choose one
The location of the critical region depends upon:
► Null hypothesis
► Alternative hypothesis
► Value of alpha
► Value of teststatistic
Question No: 3 ( Marks: 1 )  Please choose one
The
Fdistribution always ranges from:
► 0 to 1
► 0 to ∞
► ∞ to +∞
► 0 to +∞
Question No: 4 ( Marks: 1 )  Please choose one
In chisquare test of independence the degrees of freedom are:
► n  p
► n  p1
► n  p 2
► n – 2
Question No: 5 ( Marks: 1 )  Please choose one
For a particular data the value of Pearson’s coefficient of skewness is greater then zero. What will be the shape of distribution?
► Negatively skewed
► Jshaped
► Symmetrical
► Positively skewed
Question No: 6 ( Marks: 1 )  Please choose one
If X


E X
and Y are random variables, then
is equal to:

E X )
►

E X )
►

X
►

E X
►
Question No: 7 ( Marks: 1 )  Please choose one
If ŷ is the predicted value for a given xvalue and b is the yintercept then the equation of a regression line for an independent variable x and a dependent variable y is:
► ŷ = mx + b, where m = slope
► x = ŷ + mb, where m = slope
► ŷ = x/m + b, where m = slope
► ŷ = x + mb, where m = slope
Question No: 8 ( Marks: 1 )  Please choose one
The
Chi Square distribution is continuous distribution ranging from:
► ∞ ≤ χ2≤ ∞
► ∞ ≤χ2 ≤1
► ∞ ≤χ2 ≤0
► 0 ≤ χ2≤ ∞
Question No: 9 ( Marks: 1 )  Please choose one
The variance of the tdistribution is give by the formula:


►



►




►
2
►
Question No: 10 ( Marks: 1 )  Please choose one
Which one is the correct formula for finding desired sample size?





n
►





n
►




n
►

Z
n

e
►
Question No: 11 ( Marks: 1 )  Please choose one
A
discrete probability function f(x) is always:
► Nonnegative
► Negative
► One
► Zero
Question No: 12 ( Marks: 1 )  Please choose one
E(4X + 5) =_____ _
► 12 E (X)
► 4 E (X) + 5
► 16 E (X) + 5
► 16 E (X)
Question No: 13 ( Marks: 1 )  Please choose one
How P(X + Y < 1) can be find:
► f(0, 0) + f(0, 1) + f(1, 2)
► f(2, 0) + f(0, 1) + f(1, 0)
► f(0, 0) + f(1, 1) + f(1, 0)
► f(0, 0) + f(0, 1) + f(1, 0)
Question No: 14 ( Marks: 1 )  Please choose one
The

f x 1
___ _ __:
f 1,1
►
f x,1
►
f x,1
h 1
►
f x,1
h x
►
Question No: 15 ( Marks: 1 )  Please choose one
The area under a normal curve between 0 and 1.75 is
► .0401
► .5500
► .4599
► .9599
Question No: 16 ( Marks: 1 )  Please choose one
In
normal distribution M.D. =


► 0.5

► 0.75

► 0.7979
► 0.6445
Question No: 17 ( Marks: 1 )  Please choose one
In
an ANOVA test there are 5 observations in each of three treatments. The degrees of freedom in the numerator and denominator respectively are.......
► 2, 4
► 3, 15
► 3, 12
► 2, 12
Question No: 18 ( Marks: 1 )  Please choose one
A set that contains all possible outcomes of a system is known as
► Finite Set
► Infinite Set
► Universal Set
► No of these
Question No: 19 ( Marks: 1 )  Please choose one
Stem
and leaf is more informative when data is :
► Equal to 100
► Greater Than 100
► Less than 100
► In all situations
Question No: 20 ( Marks: 1 )  Please choose one
A
population that can be defined as the aggregate of all the conceivable ways in which a specified event can happen is known as:
► Infinite population
► Finite population
► Concrete population
► Hypothetical population
Question No: 21 ( Marks: 1 )
If E(T )

, what do you say about the estimator T, where is a parameter ?
Question No: 22 ( Marks: 2 )
What is a binomial experiment?
Question No: 23 ( Marks: 3 )
Formulate the null and alternative hypothesis in each of the following.
(1) Average domestic consumption of electricity is 50 units per month.
(2) Not more than 30% people pay Zakat (tax).
Question No: 24 ( Marks: 3 )
What is mathematical expectation of discrete random variable?
Question No: 25 ( Marks: 3 )
Why we prefer to use pooled estimator
pˆ c
Question No: 26 ( Marks: 3 )
Question No: 27 ( Marks: 5 )
A
random sample of size n is drawn from normal population with mean 5 and variance . Answer the following:
If s=15, x =14 and t=3, what is values of n?
Question No: 28 ( Marks: 5 )
A
population 2, 4, 6, 8, 10, 12
N=6, n=2

After drawing possible samples, we have calculated sampling mean

ux
and

a)
n


sampling variance . Verify
Question No: 29 ( Marks: 5 )
Given the Probability density function
.



x
f x 2
for 0 x 2


0, elsewhere
Compute the distribution function F(x).
Question No: 30 ( Marks: 10 )
A research worker wishes to estimate the mean of a population using a sample sufficiently large that the probability will be 0.95 that the sample mean will not differ from the true mean by more than 25 percent of the standard deviation. How large a sample should be taken?
An urn contains nine balls; five of them are red and four blue. Three balls are drawn without replacement. Find the distribution of X= number of red balls drawn.
this is great job thanx for saving our time .
god bless u
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