Repeat Exercise 8 assuming that the population standard deviation is known to be 10.0 years….

Repeat Exercise 8 assuming that the population standard deviation is known to be 10.0 years.Exercise 8In a survey of randomly selected subjects, the mean age of the 36 respondents is 40.0 years and the standard deviation of the ages is 10.0 years. Use these sample results to construct a 95% confidence interval estimate of the mean age of the population from which the sample was selected.

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