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2. Fortune magazine recently published an article on the most powerful women in America, in which...

2. Fortune magazine recently published an article on the most powerful women in America, in which it was claimed that the ages X of the identified population of powerful women were approximately normally distributed with mean  of 50 years and standard deviation  of 5.3 years Calculate the following:

a) P(55<X<60)
b) P(X<35)
c) P(X>40)

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