In a Major Midwestern University, 55 Percent of All Undergraduates

Multiple Choice

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?

A) .73
B) .55
C) .80
D) .07
E) .87