Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of galions sold follows the normal distribution with a population standard deviation of 2.30 gallons. From his records, he selects a random sample of 70 sales and finds the mean number of gallons sold is 8.40 . (Use tDistribution Table \& z Distribution Table) Required: 0. What is the point estimate of the population mean? (Round your answer to 2 decimal places.) b. Develop a 95% confidence intervai for the population mean. (Round z-score and your answers to 2 decimal ploces.) .

1. Brite Toothbrushes has gathered the following information to complete its Production Report for
the month of April. Assume all materials are added at the beginning of the process. Required:
Using the provided information, complete the report. (Round cost per Equivalent Units to 2
decimal places.)