SOLUTION: The tail lengths of a certain animal are normally distributed with a mean length of 1.5 feet and a standard deviation of 3 inches. What percentage of these animals have a tail that

Algebra ->  Probability-and-statistics -> SOLUTION: The tail lengths of a certain animal are normally distributed with a mean length of 1.5 feet and a standard deviation of 3 inches. What percentage of these animals have a tail that      Log On


   

Question 1181225: The tail lengths of a certain animal are normally distributed with a mean length of 1.5 feet and a standard deviation of 3 inches. What percentage of these animals have a tail that is at most one foot long
Answer by robertb(5830) About Me  (Show Source):
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, or 12.5%.

Normal probabilities were determined using the calculator at https://stattrek.com/online-calculator/normal.aspx.