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:

Credit

A financial agreement where a borrower receives something of value now and agrees to repay the lender at a future date.

Liability Account

An accounting record representing money or value owed by the company to others.

Decrease

A reduction in size, number, or amount.

Debit

A bookkeeping record that leads to an uptick in a firm's assets or a reduction in its liabilities on the balance sheet.