A manufacturer knows that their items have a normally distributed length, with a mean of 15.9 inches, and standard deviation of 4.4 inches. If 16 items are chosen at random, what is the probability that their mean length is less than 18.5 inches?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A manufacturer knows that their items have a normally distributed length, with a mean of 15.9 inches, and
standard deviation of 4.4 inches.
If 16 items are chosen at random, what is the probability that their mean length is less than 18.5 inches?
Enter your answers as numbers accurate to 4 decimal places.
Transcribed Image Text:A manufacturer knows that their items have a normally distributed length, with a mean of 15.9 inches, and standard deviation of 4.4 inches. If 16 items are chosen at random, what is the probability that their mean length is less than 18.5 inches? Enter your answers as numbers accurate to 4 decimal places.
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