SOLUTION: The lengths of brook trout caught in a certain Colorado stream are normally distributed with a mean of 14 inches and a standard deviation of 3 inches. The first quartile for the le

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Question 1090610: The lengths of brook trout caught in a certain Colorado stream are normally distributed with a mean of 14 inches and a standard deviation of 3 inches. The first quartile for the lengths of brook trout would be
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z score that corresponds to P%28z%5B25%5D%29=0.25.
z%5B25%5D=%28X-14%29%2F3
X-14=3z%5B25%5D
X=3z%5B25%5D%2B14