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A marketing research company desires to know the mean consumption of meat per week among males over age 26. A sample of 397 males over age 26 was drawn and the mean meat consumption was 4.4 pounds. Assume that the population standard deviation is known to be 1.4 pounds. Construct the 80% confidence interval for the mean consumption of meat among males over age 26. Round your answers to one decimal place.
Sagot :
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