A manufacturer knows that their items have a lengths that are approximately normally distributed, with a mean of 18.9 inches, and standard deviation of 1.8 inches. If 50 items are chosen at random, what is the probability that their mean length is greater than 18.7 inches?
A manufacturer knows that their items have a lengths that are approximately normally distributed, with a mean of 18.9 inches, and standard deviation of 1.8 inches. If 50 items are chosen at random, what is the probability that their mean length is greater than 18.7 inches?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A manufacturer knows that their items have a lengths that are approximately
If 50 items are chosen at random, what is the
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