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3) In a random sample of 15 firemen/firewomen, the monthly income data for the sample is displayed. Assume the monthly incomes are normally distributed. Show

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3) In a random sample of 15 firemen/firewomen, the monthly income data for the sample is displayed. Assume the monthly incomes are normally distributed. Show all necessary work. x = 5800, s = 195 a) Find the Margin of Error at 95%., show all values used. b) Find a 95% confidence interval. c) Write an interpretation for the interval

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