Title: A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that , find ...
Post by: coolcat on Apr 8, 2020
A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that 
, find the margin of error in estimating μ at the 90% level of confidence.
▸ 0.1 years
▸ 3.0 years
▸ 0.6 years
▸ 0.5 years
, find the margin of error in estimating μ at the 90% level of confidence.▸ 0.1 years
▸ 3.0 years
▸ 0.6 years
▸ 0.5 years
Title: A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that , find ...
Post by: brigettelearn on Apr 8, 2020
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