Probability (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 11 - 15 of 205

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Question number: 11

» Probability » Classical and Axiomatic Definitions

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 axiomatic

b.

0 and classical

c.

1 and classical

d.

1 and empirical

Question number: 12

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Number of pizza a person eats in a month.

b.

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

c.

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

d.

All of the above

Question number: 13

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

A randomly chosen child repeatedly hits a bell. X is the length of time it takes to break it open. Is the random variable X discrete or continuous?

Choices

Choice (4) Response

a.

Continuous

b.

Can’t say anything.

c.

Discrete

d.

Sometime discrete sometime continuous

Question number: 14

» Probability » Probability Distributions » Uniform

MCQ▾

Question

If X~U(10, 12) , then what will be the standard deviation of Y=X2 ?

Choices

Choice (4) Response

a.

261.2

b.

59.8

c.

120.5

d.

161.4

Question number: 15

» Probability » Probability Distributions » Bernoulli

MCQ▾

Question

Which of the following is skewness of a standardized Bernoulli distributed random variable which takes the value 1 with success probability of p and the value 0 with failure probability of q ?

Choices

Choice (4) Response

a.

pq2pq

b.

qppq

c.

pqpq

d.

qp2pq

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