Question

Suppose that the weight of a typical American male follows a normal distribution with µ = 180 lb and σ = 30 lb. Also, suppose 91.92% of all American males weigh more than I weigh.
a. What fraction of American males weigh more than 225 pounds?
b. How much do I weigh?
c. If I weighed 20 pounds more than I do, what percentile would I be in?



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  • CreatedApril 01, 2015
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