Question

In words, the random variable$X=\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

a. the number of times Mrs. Plum’s cats wake her up each week.

b. the number of times Mrs. Plum’s cats wake her up each hour.

c. the number of times Mrs. Plum’s cats wake her up each night.

d. the number of times Mrs. Plum’s cats wake her up.

Short answer

Answer of all parts a,b,c,d is

The number of times Mrs. Plum's cats wake up each week is represented by the Random variable X.

Step-by-step solution

Introduction

A random variable is a variable with an unknown value or a function that gives values to each of the results of an experiment. A random variable might be discrete (meaning it has definite values) or continuous (meaning it has no specific values) (any value in a continuous range)

Explanation (a)

Mrs. Plum's cats wake her up on average 10 times every week.

X is a Random variable that indicates the number of times per week that Mrs. Plum's cats wake up.

Explanation (b)

Mrs. Plum's cats wake her up on average 10 times every week.

X is a Random variable that indicates the number of times per week that Mrs. Plum's cats wake up.

Explanation (c)

Mrs. Plum's cats wake her up on average 10 times every week.

X is a Random variable that indicates the number of times per week that Mrs. Plum's cats wake up.

Explanation (d)

Mrs. Plum's cats wake her up on average 10 times every week.

X is a Random variable that indicates the number of times per week that Mrs. Plum's cats wake up.