Mathematics, 11.12.2020 07:30 YaGirlNeedaLearn
Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. 54 60 66 50 62 58 65 50 54 a) Use a 90% confidence level to estimate the margin of error associated with estimating the true mean. (Round to the nearest hundredths)b) Construct the 90% confidence interval to estimate the true mean retirement age. (Round to the nearest Tenths)c) Construct the 90% confidence level to estimate the true standard deviation.(Round to the nearest Tenths)
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Last year, nine employees of an electronics company retired. Their ages at retirement are listed bel...
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