The Amount of Time Required for an Oil and Filter

question 17

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.
-So,90% of the sample means will be greater than what value?

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Definitions:

Economic Science

The study of how societies use scarce resources to produce valuable commodities and distribute them among different people.

Trade-Offs

The sacrifice of one thing for another, recognizing that choosing some benefits necessitates giving up others.

Production Decisions

The determination of what, how, and for whom goods and services will be produced by a firm.

Output

The total amount of goods or services produced by a company, sector, or economy.