4.The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a standard deviation of 2 inches. If the fish and game department would like fishermen to keep only the largest 20% of the trout, what should the minimum size for “keepers" be?
4.The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a standard deviation of 2 inches. If the fish and game department would like fishermen to keep only the largest 20% of the trout, what should the minimum size for “keepers" be?
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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Transcribed Image Text:4.The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a standard
deviation of 2 inches. If the fish and game department would like fishermen to keep only the largest 20% of
the trout, what should the minimum size for “keepers" be?
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