What is point estimate of the population mean

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Bob has to estimate the mean number of gallons sold to customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 1.90 gallons. From records he selects a random sample of 80 sales and finds the mean number of gallons sold is 6.50.

What is point estimate of the population mean?

Develop a 99% confidence interval for the population mean?

Reference no: EM132404110

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