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Mathematics 18 Online
OpenStudy (anonymous):

The number of nails of a given length is normally distributed with a mean length of 5 in. and a standard deviation of 0.03 in. In a bag containing 120 nails, how many nails are less than 4.94 in. long? about 16 nails about 3 nails about 6 nails about 19 nails

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