A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 144.3-cm and a standard deviation of 1.3-cm. For shipment, 19 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 143.9-cm. P(M143.9-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.
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 144.3-cm and a standard deviation of 1.3-cm. For shipment, 19 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 143.9-cm. P(M143.9-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.
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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Question
![A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 144.3-cm and a standard deviation of 1.3-cm. For shipment, 19 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is less than
143.9-cm.
P(M143.9-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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F97d38b17-036a-43dc-9e77-1a64dbc148c7%2F36e99a45-67f0-441b-b6e3-19f18f8b174f%2Fjf54qzr_processed.png&w=3840&q=75)
Transcribed Image Text:A company produces steel rods. The lengths of the steel rods are normally distributed with a mean
of 144.3-cm and a standard deviation of 1.3-cm. For shipment, 19 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is less than
143.9-cm.
P(M143.9-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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