Estimate with confidence the actual mean spending

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We are working out how much factory workers spend on lunch. n=36sigma =$11.5mu= $95

A) Estimate with 95% confidence the actual mean spending on lunch meals per week for all of the factory workers.

B) Obtain the lower confidence limit and the upper confidence limit of the 95% confidence interval estimate of the mean spending on lunch meals per week for all of the factory workers.

Reference no: EM132851762

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