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Suppose the weight of a typical American male follows normal distribution with mu=180lbs and o=30lbs a. What fraction of American males weigh more than 225lbs.

Suppose the weight of a typical American male follows normal distribution with mu=180lbs and o=30lbs

a. What fraction of American males weigh more than 225lbs.

b. What fraction of American males weigh less than 150 lbs

c. What fraction of American males weigh between 200 and 250

d. What fraction of American males weighs between 150 and 200

e. Suppose 91.2% of all Americans weigh more than 1 what do I weigh?

f. If 70.9% of all Americans weigh less than Ralph how much does Ralph weigh?

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