The Lengths of Brook Trout Caught in a Certain Colorado

question 3

Multiple Choice

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.What proportion of brook trout caught will be between 12 and 18 inches in length?

• A)0.6563
• B)0.6826
• C)0.2486
• D)0.4082

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