Randomly selected five pound box of nails

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The number of nails in a five pound box is normally distributed with a mean of 563.3 and a standard deviation of 33.2. The probability is .99 that a randomly selected five pound box of nails contains at least how many nails approximately? What is the probability that there are less than 500 nails in a randomly selected five pound box of nails?

Reference no: EM13104386

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