The Amount of Time Required for an Oil and Filter

question 19

Short Answer

The amount of time required for an oil and filter change on a car is normally distributed with a mean of 45 minutes and a standard deviation of 10 minutes.A random sample of 16 cars is selected.
-What is the probability that the sample mean will be between 39 and 48 minutes?

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Definitions:

Productivity

The measure of efficiency in producing goods or services, often evaluated by the output per unit of input.

Under Benefited

A state where an individual perceives that they are receiving less from a relationship or exchange than they are contributing.

Over Benefited

A situation where an individual receives more in a transaction or relationship than they contribute, often leading to feelings of guilt or imbalance.

Guilt

A feeling of responsibility or remorse for some offense, crime, wrong, whether real or imagined.