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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 139.1-cm and a standard de...Asked by van
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 139.1-cm and a standard deviation of 1.1-cm.
Find the probability that the length of a randomly selected steel rod is between 138.3-cm and 142.2-cm.
Find the probability that the length of a randomly selected steel rod is between 138.3-cm and 142.2-cm.
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