Suppose That the Waiting Time for a License Plate Renewal

question 64

Multiple Choice

Suppose that the waiting time for a license plate renewal at a local office of a state motor vehicle department has been found to be normally distributed with a mean of 30 minutes and a standard deviation of 8 minutes.What is the probability that a randomly selected individual will have a waiting time between 15 and 45 minutes?

• A)1.00
• B).9699
• C).5000
• D).9398

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Definitions:

Probabilities

The quantification of how likely an event is to happen, expressed as a number ranging from 0 to 1, with 0 meaning it cannot occur and 1 meaning it will definitely happen.

Double Counting

An error in calculation or analysis that occurs when the same data or transaction is counted more than once, leading to inaccuracies.

Joint Probability Distribution

A statistical measure that gives the probability of two events occurring together and at the same point in time.

Discrete Random Variables

Variables that assume a finite or countably infinite set of values, each with a certain probability.