Mathematics, 19.03.2020 21:30 Ilcienne9736
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 219.7-cm and a standard deviation of 1.6-cm. For shipment, 21 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 219.7-cm and 220-cm.
Answers: 1
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