ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 206 - 209 of 404

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Question number: 206

» Probability » Distribution Functions and Properties

MCQ▾

Question

Which of the following is a property of a renewable process?

Choices

Choice (4) Response
a.

Inter arrival intervals are negative

b.

Inter arrival intervals may be identically distributed

c.

Inter arrival intervals are positive

d. None of the above

Question number: 207

» Probability » Probability Distributions » Exponential

MCQ▾

Question

Suppose that X has the exponential distribution with rate parameter r>0 . Then which of the following statement is/are correct regarding it?

Choices

Choice (4) Response
a.

X has the geometric distributions on N with success parameter 1er .

b.

X has the geometric distributions on N+ with success parameter 1er .

c. Both a. and b. are correct
d. None of the above

Question number: 208

» Probability » Probability Distributions » Negative Binomial

MCQ▾

Question

Which of the following statement is/are correct?

Choices

Choice (4) Response
a.

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

b.

Pascal distribution is a special case of Normal distribution with parameter μandσ , when μ>0.

c.

The pdf of Pascal distribution is symmetric.

d. All of the above

Question number: 209

» Probability » Classical and Axiomatic Definitions

MCQ▾

Question

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

Number of heads appearing when 8 coins are tossed

Showing table number of heads appearing when 8 coins are tossed

x

0

1

2

3

4

5

6

7

8

f

1

9

26

59

72

52

26

7

1

The probability of getting heads less than 4 is?

Choices

Choice (4) Response
a.

0.21

b.

0.27

c.

0.37

d. None of the above

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