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A machine fills bottles of perfume. Assume the filling weight is normally distributed and the standard deviation is 2 ounces. DO NOT round intermediate steps.
A machine fills bottles of perfume. Assume the filling weight is normally distributed and the standard deviation is 2 ounces.
DO NOT round intermediate steps.
Round final answer to two decimal places.
DO NOT put leading or ending zeros.
What must the mean weight be set at so that only 12% of the bottles weigh less than 40 ounces?
HINT: Mean cannot be negative.
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