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How Many Observations Would Be Necessary for a Time Studies

question 21

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How many observations would be necessary for a time studies analyst to be 99% confident that the average time is within ± .1 minutes of the true value,if the average time is 10.5 minutes and the standard deviation is 3 minutes?


Definitions:

Chronological Age

The actual age of a person measured in years from the date of birth.

Cell Divisions

The process by which a parent cell divides into two or more daughter cells, essential for growth, reproduction, and repair in living organisms.

Chromosomes

Threadlike structures made of DNA and protein that contain the genes, found in the nucleus of most living cells.

Longevity

The length of time that an individual lives or a thing lasts.

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