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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 144.9-cm and a standard deviation of 1.5-cm.
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 144.9-cm and a standard deviation of 1.5-cm. Find the probability that the length of a randomly selected steel rod is between 145.1-cm and 147.5-cm. P(145.1-cm < X < 147.5-cm) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted
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