In 1970, 11% of people in a certain region completed four years of college; 38% of them were women. In 1990, 23% of people in the same region completed four years of college; 54% of them were women. In each part below, a person is selected at random from the region. (a) Given that a p erson completed four years of college in 1970, what is the probability that the p erson was a woman? (b) What is the probability that a woman ﬁnished four years of college in 1990? (c) What is the probability that a man had not ﬁnished college in 1990?

In 1970, 11% of people in a certain region completed four years of college; 38% of them were women. In 1990, 23% of people in the same region completed four years of college; 54% of them were women. In each part below, a person is selected at random from the region. (a) Given that a p erson completed four years of college in 1970, what is the probability that the p erson was a woman? (b) What is the probability that a woman ﬁnished four years of college in 1990? (c) What is the probability that a man had not ﬁnished college in 1990?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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