Answer:
Option b. continuous random variable
Step-by-step explanation:
An experiment consists of determining the speed of automobiles on a highway by the use of radar equipment.
In this experiment the speed is the the random variable.
Now, speed can take any value within an interval.
It can take infinite values within an interval.
Also, speed is always measured and not counted.
Thus, speed is a continuous random variable.
Thus, the correct answer is
Option b) continuous random variable
