In a major midwestern university, 55 percent of all undergraduates are female. 25 percent of all undergraduates belong to a

Question

In a major midwestern university, 55 percent of all undergraduates are female. 25 percent of all undergraduates belong to a Greek organization (fraternity or sorority), and 40 percent of all males belong to a Greek organization. What is the probability that one randomly selected undergraduate will be either a female or belong to a Greek organization?

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