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A company that produces detergents wants to estimate the mean amount of detergent in 64 ounce jugs at a 98% confidence level

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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 0.22 ounce. How large a sample should the company take so that the estimate is within 0.07 ounce of the population mean? Round your answer up to the nearest whole number