Probability [ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)]: Questions 1 - 4 of 199

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Question 1

Probability
Exponential

Question

MCQ▾

Suppose that has the exponential distribution with rate parameter . Then which of the following statement is/are correct regarding it?

Choices

Choice (4)Response

a.

has the geometric distributions on with success parameter .

b.

has the geometric distributions on with success parameter .

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question 2

Probability
Negative Binomial

Question

MCQ▾

Which of the following statement is/are correct?

Choices

Choice (4)Response

a.

Pascal distribution is a special case of negative binomial distribution on with parameter and , when k is a positive integer.

b.

Pascal distribution is a special case of Normal distribution with parameter , when

c.

The pdf of Pascal distribution is symmetric.

d.

All of the above

Question 3

Question

MCQ▾

The following below shows the number of heads appearing when 8 coins are tossed.

Showing Table Number of Heads Appearing when 8 Coins Are Tossed
x012345678
f19265972522671

The probability of getting heads less than 4 is?

Choices

Choice (4)Response

a.

0.21

b.

0.37

c.

0.27

d.

Question does not provide sufficient data or is vague

Question 4

Question

MCQ▾

If Ω is a sample space the P (Ω) = ________ and can be explained by ________ perspective of probability. The correct choice for filling the blanks is?

Choices

Choice (4)Response

a.

1 and classical

b.

1 and empirical

c.

0 and classical

d.

1 and axiomatic

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