Mathematics, 06.11.2020 16:50 alainacorkell5364

A market researcher wants to evaluate car insurance savings at a competing company. Based on past studies he is assuming that the standard deviation of savings is $100. He wants to collect data such that he can get a margin of error of no more than $10 at a 95% confidence level. How large of a sample should he collect

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A market researcher wants to evaluate car insurance savings at a competing company. Based on past st...

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