The Amount of Time Required for an Oil and Filter

question 78

Short Answer

The amount of time required for an oil and filter change on an automobile 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:

Merchandise Balance

The difference in value between a country's imports and exports of goods.

Services Balance

The difference between a country's exports and imports of services.

Balance Of Trade

The difference between a country's exports and imports of goods.

Comparative Advantage

An economic principle that states that an entity (e.g., country, region, or individual) can produce a good at a lower opportunity cost compared to others, leading to more efficient trading possibilities.