of 232.3-cm and a standard deviation of 1.6-cm. For shipment, 21 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 231.5-cm and 232.4-cm. P(231.5-cm < M < 232.4-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.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 232.3-cm and a standard deviation of 1.6-cm. For shipment, 21 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is between
231.5-cm and 232.4-cm.
P(231.5-cm < M < 232.4-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.
Transcribed Image Text:A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 232.3-cm and a standard deviation of 1.6-cm. For shipment, 21 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 231.5-cm and 232.4-cm. P(231.5-cm < M < 232.4-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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