ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 201 - 204 of 472

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Question number: 201

» Probability » Probability Distributions » Negative Binomial

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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 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 number: 202

» Probability » Classical and Axiomatic Definitions

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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.

0.37

c.

0.27

d.

Question does not provide sufficient data or is vague

Question number: 203

» Probability » Classical and Axiomatic Definitions

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MCQ▾

Question

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

Question number: 204

» Probability » Discrete and Continuous Random Variables

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MCQ▾

Question

Which of the following cannot be the example of exponential random variable?

Choices

Choice (4)Response

a.

The distance we travel along a road until we find the next pothole.

b.

Number of pizza a person eats in a month.

c.

The time until the next jobs arrives at a database server.

d.

All of the above

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