A Grocery Store Manager Is Interested in Estimating the Mean

question 122

True/False

A grocery store manager is interested in estimating the mean weight of apples received in a shipment. If she wishes to have the estimate be within ±.05 pound with 90 percent confidence, the sample size should be 103 apples if she believes that the standard deviation is .08 pound.

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Definitions:

Whips

In parliamentary practice, members of a political party designated to enforce party discipline and ensure party member attendance and voting in line with party policies.

Cocoa

A powder made from roasted and ground cacao seeds, used in the production of chocolate, as well as in beverages and baking.

Consumption

The process by which goods and services are used up by consumers, reflecting economic activity and individuals' preferences.

Income

Financial gains received from work or investments, usually on a consistent basis.