A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 126.3-cm and a standard deviation of 2.5-cm. For shipment, 22 steel rods are bundled together. Find the probability that the average length of rods in a randomly selected bundle of steel rods is less than 124.8-cm. < 124.8-cm) = Round to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 2 decimal places are accepted.
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 126.3-cm and a standard deviation of 2.5-cm. For shipment, 22 steel rods are bundled together. Find the probability that the average length of rods in a randomly selected bundle of steel rods is less than 124.8-cm. < 124.8-cm) = Round to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 2 decimal places are accepted.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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