The Amount of Time Required for an Oil and Filter

question 44

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 would be the standard error of the mean?

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Definitions:

Upper Intake Levels (ULs)

The maximum daily intake of a nutrient that is unlikely to cause adverse health effects for most individuals.

Recommended Dietary Allowances (RDA)

Science-based daily dietary intake levels considered sufficient to meet the nutrient requirements of nearly all (97-98%) healthy individuals in a particular age and gender group.

Supplement

A product taken orally that contains one or more ingredients (such as vitamins or amino acids) that are intended to supplement one's diet and are not considered food.

Unsaturated Fatty Acids

Fatty acids that contain one or more double bonds between carbon atoms, which can be healthier than saturated fats and found in oils from vegetables, nuts, and fish.