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Mathematics, 22.06.2019 13:30 RosaJackson8088

From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 21.69 with a population standard deviation of 3.54. what is the 95% confidence interval for the amount of time spent on administrative issues? a.(21.78, 22.60) b.(20.71, 22.67) c.(19.24, 24.14) d.(20.93, 22.46)

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