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Mathematics, 25.04.2020 03:48 kay20081

A sample of 38 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 4.0 minutes. Assume that Construct a 90% confidence interval for the true mean time, μ, to polish a shoe.

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A sample of 38 people were randomly selected from among the workers in a shoe factory. The time take...

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