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Author Question: A sample of 40 washing machines yields a mean replacement time of 11.5 years. Assuming that , find ... (Read 130 times)

mrsjacobs44

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Question 1

A sample of 49 eggs yields a mean weight of 1.69 ounces. Assuming that , find the margin of error in estimating μ at the 95% level of confidence.
◦ 0.47 oz
◦ 0.11 oz
◦ 0.13 oz
◦ 0.02 oz

Question 2

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


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Marked as best answer by mrsjacobs44 on Apr 7, 2020

kjohnson

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mrsjacobs44

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Reply 2 on: Apr 7, 2020
Excellent


raenoj

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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