In 1970, 9% of people in a certain region completed four years of college, 38% of them were women. In 1990, 20% of people in the

Question

In 1970, 9% of people in a certain region completed four years of college, 38% of them were women. In 1990, 20% of people in the same region completed four years of college; 53% of them were women. Complete parts (a) through (c) below. In each part below, a person is selected at random from the region.
(a) Given that a person completed four years of college in 1970, what is the probability that the person was a woman?
The probability is
(Type an integer or a decimal. Do not round)
(b) What is the probability that a woman finished four years of college in 1990?
The probability is
(Type an integer or a decimal. Do not round.)
(c) What is the probability that a person was not a male college graduate in 1990?
The probability is
(Type an integer or a decimal. Do not round)

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