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Question70+1£ X and Y are two independent Poisson variates with parameters 2 and 3 respectively and let U=X+Y. Then P(U=0) is:

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Correct Answer:- Option-A

Question? 1:-Referring to Question 50, ೫00023) छः
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Correct Answer:- Option-D

3 3

ഗ്മ of these
Correct Answer:- Option D

Question?73: Which of the following statement about நற) விளக பமல்‌:
Acltis under dispersed
Bt s over dispersed
C:Neither option1 nor option 2
D-Both options 1 and 2 depend on values of p
Correct Answer:- Option-A

Question74-1£X follows N(10,
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4), then the standard deviation of aX is:

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D:-None of these
Correct Answer:- Option-D
Question75+1£ X follows U(0,1), then Var(1-) is:

e

6

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Correct Answer:- Option-A
Question76:The maximum height of N(0,1) curve is

Correct Answer:- Option-D

Question77:-As the scale parameter of normal curve increases, the distribution retains symmetry and becomes:

AcFlatter
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Co-Neither 1 nor 2
D:-None of these
Correct Answer:- Option-A
Question78+1 X and Y are independent N(0,1) random variates, then P(X1
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‎Correct Answer:- Option-A
Question79:The Normal curve has an area about ......within one unit of SD from mean:
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267%
Correct Answer:- Option B

Questiona0:The mgf of a random variable X is M(

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A2
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048
0:4
Correct Answer:- Option-A

Questions 1:-The square of t distribution is an F distribution for:
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1

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07/07/2015 02:59 PM