Construct low confidence bound of the mean

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Reference no: EM133357546

Question: An industrial designer wants to determine the average amount of time it takes an adult to assemble an "easy to assemble" toy. A sample of 16 times yielded an average time of 19.92 minutes, with a sample standard deviation of 5.73 minutes. Assuming normality of assembly times, provide a 95% confidence interval for the mean assembly time.

Construct 99% low confidence bound of the mean number of minutes.

Reference no: EM133357546

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