Question

a. what are the possible values of the random variable x?
4, 5, 6, 7, 8
(use a comma to separate answers as needed.)
b. use random - variable notation to represent the event that the shuttle mission obtained has a crew size of 7.

Explanation:

Step1: Determine possible values of X

The random variable \(X\) represents the crew - size of a shuttle mission. Given the values \(4,5,6,7,8\), these are the distinct values that \(X\) can take.

Step2: Represent the event using random - variable notation

If \(X\) is the random variable representing the crew - size, then the event that the crew - size is \(7\) is written as \(X = 7\)

Answer:

a. \(4,5,6,7,8\)
b. \(X = 7\)