A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 209.3-cm and a standard

Question

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 209.3-cm and a standard deviation of 2.4-cm. For shipment, 28 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is greater
than 209.4-cm.
P(M>209.4-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.

Kunduz · Accepted Answer

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