Mathematics, 12.07.2019 20:30 alexsince4835
Alarge medical organization is interested in studying the mean amount spent by all us citizens on tobacco products each week. the results must be at a 95% confidence level with a maximum margin of error of $5. assuming that previous reliable study allows one to estimate the population standard deviation of $35, what sample size is needed to meet these requirements?
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Alarge medical organization is interested in studying the mean amount spent by all us citizens on to...
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