Mathematics, 25.03.2020 02:39 allegra0103
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 111.4-cm and a standard deviation of 0.5-cm. For shipment, 23 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 111.2-cm and 111.4-cm. P(111.2-cm < ¯ x < 111.4-cm) =
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