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Author Question: Find the confidence interval specified.A sample of 36 people were randomly selected from among the ... (Read 90 times)

Mollykgkg

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Find the confidence interval specified.

A sample of 36 people were randomly selected from among the workers in a shoe factory. The time taken for each person to polish a finished shoe was measured. The sample mean was 4.2 minutes. Assume that Construct a 90% confidence interval for the true mean time, μ, to polish a shoe.
◦ 3.93 to 4.47 minutes
◦ 3.77 to 4.63 minutes
◦ 3.88 to 4.52 minutes
◦ 3.82 to 4.58 minutes


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Marked as best answer by Mollykgkg on Apr 7, 2020

Jody Vaughn

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Mollykgkg

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Reply 2 on: Apr 7, 2020
Excellent


cici

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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