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A company produces steel rods. The lengths of the steel rods are normally distributed with a...

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 225.5-cm and a standard deviation of 2.2-cm. For shipment, 26 steel rods are bundled together.

Find the probability that the average length of a randomly selected bundle of steel rods is greater than 224.2-cm.

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