of detergent in 64-ounce jugs? A company that produces detergents wants to estimate the mean amount of detergent in 64-ounce jugs at a 98% confidence level. The company knows that the standard deviation of the amounts of detergent in all such jugs is 0.21 ounces. How large a sample should the company take so that the estimate is within 0.08 ounces of the population mean?