Question: Confidence intervals for the average (Normal and Distribution t) 1. In the case of a sample of n = 50 companies taken from an industry

Confidence intervals for the average (Normal and Distribution t)
1. In the case of a sample of n = 50 companies taken from an industry in
In particular, the average number of employees per company is X = 420.4, with standard sample deviation s = 55.7.
A. Determine the 90% confidence interval for estimating the average number of workers per company in the industry.
B. Interpret the interval

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