A random sample of 100 highway runs of the new model yields


A car manufacturer wants to estimate the average miles-per-gallon highway rating for a new model. From experience with similar models, the manufacturer believes the miles-per-gallon standard deviation is 4.6.

A random sample of 100 highway runs of the new model yields a sample mean of 32 miles per gallon. Give a 95% confidence interval for the population average miles-per-gallon highway rating.

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Basic Statistics: A random sample of 100 highway runs of the new model yields
Reference No:- TGS02169052

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