Assume That the Amount of Time That It Takes an Employee

question 61

Multiple Choice

Assume that the amount of time that it takes an employee to service a car at an oil change facility follows the uniform probability distribution between 21 and 38 minutes. What is the probability that a randomly selected car will require more than 30 minutes to service?

• A)0.3720
• B)0.1687
• C)0.4706
• D)0.2244

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Definitions:

Alternative Hypothesis

In hypothesis testing, the hypothesis that proposes there is a difference or effect, as opposed to the null hypothesis.

Friedman Test

A statistical test, not based on parameter distributions, employed to uncover variances in treatments over numerous experiments.

Population Locations

Refers to the geographical areas where specific populations reside.

Nonparametric Counterpart

A statistical method that does not assume a specific distribution for the data.