Find probability that the mean weight of loads is less

Reference no: EM13127665

Tthe mean weight of loads of rock is 49.0 tons with a standard deviation of 12 tons. if 9 loads are chosen at random for a weight check, find the probability that the mean weight of those loads is less than 47.6 tons. Assume that the variable is normally distributed.

Reference no: EM13127665

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