It represents the numerical value of a simple event of an experiment.

It is useful for describing the number of events that will occur during a specific interval of time or in a specific distance, area, or volume.

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

“Weight of the employees in a call center company”

It is the square root of the variance.

It is a measure of the number of standard deviations a particular data point is away from the mean. 

This is a complete description of all the possible values of the random variable, along with their associated probabilities.

The experiment consists of n independent, identical trials

The area under the part of a normal curve that lies within two standard deviation of the mean is ________.

A vintage car breaks down an average of four times per month. Find the probability that during the next month this vintage card will have at most two breakdowns.

What is the probability that the total of two dice will be greater than 9, given that the first die is a 5?