The Amount of Time Required for an Oil and Filter

question 196

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 45 and 52 minutes?

---

Definitions:

Cholesterol

A sterol present in the tissues that contributes to heart disease when elevated; transported in the blood plasma of all animals.

Blood Pressure

The amount of force exerted by the heart on the blood as it pumps the blood through the arteries.

Hyponatremia

A condition where there is an abnormally low sodium concentration in the blood.