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Question 16 (1 point) Listen A researcher wishes to estimate how much money smokers spend on tobacco products. How large of a sample is needed

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Question 16 (1 point) Listen A researcher wishes to estimate how much money smokers spend on tobacco products. How large of a sample is needed to estimate the population mean amount spent for a margin of error of $25 at a 98% level of confidence? Assume a population standard deviation of $135. A Question 17 (1 point) ) Listen

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