A researcher is interested in estimating the average salary

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A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 99% confident that her estimate is correct. If the standard deviation is $1050, how large a sample is needed to get the desired information and to be accurate within $200?

Reference no: EM13629406

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A researcher is interested in estimating the average salary : a researcher is interested in estimating the average salary of police officers in a large city. she wants to be 99
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