Probability-Discrete and Continuous Random Variables [ISS (Statistical Services) Statistics Paper I]: Questions 1 - 4 of 5

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Question 1

Question MCQ▾

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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Question 2

Question MCQ▾

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.

Discrete

b.

Sometime discrete sometime continuous

c.

can՚t say anything.

d.

Continuous

Edit

Question 3

Question MCQ▾

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.

Continuous

b.

Sometime discrete sometime continuous

c.

can՚t say anything

d.

Discrete

Edit

Question 4

Question MCQ▾

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.

can՚t say anything

b.

Discrete

c.

Sometime discrete sometime continuous

d.

Continuous

Edit