Question: question 14 Solve the problem. 14) A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that 14) o =

question 14

Solve the problem. 14) A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that 14) o = 2.4 years, find the margin of error in estimating u at the 90% level of confidence. A) 0.6 years B) 0.5 years C) 0.1 years D) 3.0 years

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