a. What is the probability that a shoe weighs more than 13 ounces? Ans: Blank 1 b. What must the standard deviation of weight be in order for the company to state that 99.9% of its shoes are less than 13 ounces? Ans = Blank 2 ounce c. If the standard deviation remains at 0.5 ounce, what must the mean weight be in order for the company to state that 99.9% of its shoes are less than 13 ounces? Ans = Blank 3 ounces

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