Question

Define the random variable X in words. X = _______________.

Short answer

$X=\text{Life of Sunshine CD player (in years)}$

Step-by-step solution

Given information

Given in the question that, The life of Sunshine CD players is normally distributed with mean of 4.1 years and a standard deviation of 1.3 years. A CD player is guaranteed for three years. We are interested in the length of time a CD player lasts.

Explanation

A random variable remains 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 or continuous. According to the provided information, it is known that the life of Sunshine CD player is normally distributed with mean $4.1$years and standard deviation $1.3$ years