Population Mean Assignment | Professional Writing Services
-The population of unleaded gasoline prices at U.S. gas stations follows a normal distribution and has a standard deviation of $.14/gal. A recent survey of 64 gas stations across the country revealed that the mean price of unleaded gasoline was $2.94/gal. Construct a 95% confidence interval for the average price of gas per gallon. -A tire manufacturer wishes to investigate the tread life of its …
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