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Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a standard deviation of 2.6 gallons. From his records, he selects a random sample of 60 sales and finds the mean number of gallons sold is 8.98. (Round your answers to 2 decimal places.)(a) The point estimate of the population mean is -(b) The 90 percent confidence interval for the population mean is between blank and blank
Bob Nale is the owner of Nale's Texaco GasTown. Bob would like to estimate the mean numberof gallons of gasoline sold to his customers. Assume the number of gallons sold follows thenormal...
Apr 23 2020 View more View Less
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