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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 138 cm and a standard deviation of 2 cm. For shipment, a random sample of 20 steel rods are bundled together. Find the probability that the mean length of a random sample of 20 steel rods is less than 138.3 cm. Round your answer to 3 decimal places. P(M<138.3)

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DATE 1 2 20 2. XANC 138,02 GINA 0 2 os 0.748 G

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