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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:

Perfectly Competitive

A market structure characterized by many buyers and sellers, homogeneous products, free entry and exit, and perfect information, leading to firms being price takers.

Equilibrium Wage

The pay rate where the amount of labor provided is equal to the amount of labor required.

Marginal Product

The additional output resulting from the use of one more unit of a variable input, such as labor or capital.

Equilibrium Wage

The salary point at which labor supply aligns perfectly with labor demand.

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