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52 Quesstion 40 MCQS 12 Short Question Paper Time 2:00Pm PSKT01
Define Alternative Hypothesis ?
If a single 6sided die is rolled, what is the probability of a number that is not 8?
Define Optimal Solution ?
Show that X and Y are uncorrelated by using the following table
X 2 4
Y 3 3
Some Repated MCQS from Past
No Linear Programming problem with an unbounded feasible region has a solution.
► true
► false
► may or may not
► none of these
The Excel function =POISSON (2, 5, True) is used to calculate 

►Normal Distribution
►Binomial Distribution
►Poisson Distribution
►Cumulative Poisson Distribution
The correlation used when there is a degree of association
► Between two variables
► Among three variables
► Among four variables
► None of these
The formula for Poisson Distribution is c

►
( ) x (1 )n x n
P x n P P
x
−
= = −
► b*(x; r, P) = x1Cr1 * Pr * (1  P)x  r
►
( ) , 0,1,...
!
xe
P X x x
x
μ −μ
= = =
correct
► None of the above.
n! = ………
► n (n+1) (n2)!
► n (n1) (n2)!
► n (n+1) (n+2)!
► n (n1) (n+2)!
If sign of r is negative then it indicates
► Direct relationship between X & Y
► Indirect relationship between X & Y
► X & Y equal
► X & Y are square
What do you deduce from the diagram of the Normal Distribution?
► Mean is greater than Standard deviation.
► Mean is lesser than Standard deviation.
► Mean is equal to Standard deviation.
► No result can be drawn.
The value of χ2 is always 
► Positive
► Negative
► 0
► None of these
Thanks Itna he bus yaad hy
sare ghalt solve hain es main
admin galat solution share kerne pa usko ban ker dna chaiye
Q: A group of 30 workers from production department has a mean wage of Rs.120 per day with Standard Deviation = 10. Another group of 50 Workers from Maintenance had a mean of Rs. 130 with Standard Deviation = 12.
Find the difference of two sample means.
Answer:
s.d+mean=x
mean =xS.D
mean=3812
=26
mean=3812
=26
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