Probability-Discrete and Continuous Random Variables (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 1 - 5 of 5

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Question number: 1

» 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: 2

» 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: 3

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

Z is the distance traveled by a randomly chosen business consultant last year. Is the random variable Z discrete or continuous?

Choices

Choice (4) Response

a.

Can’t say anything

b.

Sometime discrete sometime continuous

c.

Discrete

d.

Continuous

Question number: 4

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

Z is the number of reading sessions a randomly chosen public library offers in their literacy program for kids. Is the random variable Z discrete or continuous?

Choices

Choice (4) Response

a.

Discrete

b.

Continuous

c.

Sometime discrete sometime continuous

d.

Can’t say anything

Question number: 5

» Probability » Discrete and Continuous Random Variables

MCQ▾

Question

Which of the following statement is Incorrect regarding a random variable?

Choices

Choice (4) Response

a.

The volume of fuel consumed by a bus on its route is a continuous random variable.

b.

A random variable can be discrete as well as continuous.

c.

The height or weight of a randomly chosen individual from a population is a continuous random variable.

d.

None of the above

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