An experiment consists of measuring the speed of automobiles on a highway by the use of radar equipment. The random variable in this experiment is speed, measured in miles per hour. This random variable is a
A)discrete random variable
B)continuous random variable
C)complex random variable
D)None of the answers is correct.

Question

Quizplus · Accepted Answer

Speed is a continuous variable, as it can take on any value within a range (e.g. 55.3 mph, 65.8 mph, etc.). Therefore, the random variable in this experiment is a continuous random variable.

An Experiment Consists of Measuring the Speed of Automobiles on a Highway