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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 226.3- cm and a standard deviation of

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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 226.3- cm and a standard deviation of 2-cm. For shipment, 17 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 225.4-cm and 225.9-cm. P(225.4-cm

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