Math Problem Statement

Determine whether the following value is a continuous random​ variable, discrete random​ variable, or not a random variable.

a. The square footage of a poolsquare footage of a pool

b. The hair color of adults in the United Stateshair color of adults in the United States

c. The number of statistics students now doing their homeworknumber of statistics students now doing their homework

d. The time it takes to drive from City Upper A to City Upper Btime it takes to drive from City A to City B

e. The time required to upload a file to the Internettime required to upload a file to the Internet

f. The height of a randomly selected personheight of a randomly selected person

Question content area bottom

Part 1

a. Is the

square footage of a poolsquare footage of a pool

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a

discretediscrete

random variable.

B.

It is a

continuouscontinuous

random variable.

C.

It is not a random variable.

Part 2

b. Is the

hair color of adults in the United Stateshair color of adults in the United States

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a discrete random variable.

B.

It is a continuous random variable.

C.

It is not a random variable.

Part 3

c. Is the

number of statistics students now doing their homeworknumber of statistics students now doing their homework

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a

discretediscrete

random variable.

B.

It is a

continuouscontinuous

random variable.

C.

It is not a random variable.

Part 4

d. Is the

time it takes to drive from City Upper A to City Upper Btime it takes to drive from City A to City B

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a

discretediscrete

random variable.

B.

It is a

continuouscontinuous

random variable.

C.

It is not a random variable.

Part 5

e. Is the

time required to upload a file to the Internettime required to upload a file to the Internet

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a

continuouscontinuous

random variable.

B.

It is a

discretediscrete

random variable.

C.

It is not a random variable.

Part 6

f. Is the

height of a randomly selected personheight of a randomly selected person

a discrete random​ variable, continuous random​ variable, or not a random​ variable?

A.

It is a

continuouscontinuous

random variable.

B.

It is a

discretediscrete

random variable.

C.

It is not a random variable.

Solution

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Math Problem Analysis

Mathematical Concepts

Probability Theory
Random Variables
Discrete vs Continuous Variables

Formulas

-

Theorems

Classification of random variables (discrete and continuous)

Suitable Grade Level

Grades 10-12