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8 FRQ A manufacturer makes and packages pencils The mean weight of an individual pencil...

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8 FRQ A manufacturer makes and packages pencils The mean weight of an individual pencil is 16 g with a standard deviation of 1 g The weights of pencils are approximately Normally distributed a If one pencil is randomly selected what is the probability that it weighs less than 15 4 grams 1 5 pt b Pencils are grouped in to sets of 8 for later packaging What is the mean and standard deviation of the weight o one set of 8 pencils Assume that the weights of pencils are independent 2 pt 2 poncile will b 2 2 points

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