Determine what type of random variable is represented in the given scenario.

“Number of television per household”

It is a measure of how spread out the values are.

When you roll the two dice, what is the probability that the sum is 4?

Determine what type of random variable is represented in the given scenario.

“Outcomes in rolling a pair of dice”

Five balls numbered 1, 2, 3, 4, and 5 are placed in a box. One is selected, its number is noted and then it is replaced. If this experiment is repeated many times, find the standard deviation of the numbers on the balls.

These are random variables that can assume only a countable number of values.

Determine what type of random variable is represented in the given scenario.

“The amount of time represents a task.”

A package of 8 AAA size batteries contains 2 that are defective and 6 that are non – defective. If we select 4 batteries at random from the package, what is the probability that the sample contains exactly 1 defective battery?

It is the set of all possible outcomes of a probability experiment.

Determine what type of random variable is represented in the given scenario.

“Number of DVD monthly sales in a Video Center”