At a college 70 percent of the students are women and 35, Ask an Expert

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At a college, 70 percent of the students are women and 35 percent of students receive grade of C. About 20 percent of students are neither female nor C students. Use this contingency table.

C Not C Total
Female .25 .45 .70
Male .10 .20 .30

If a randomly selected student is male, what is the probability he is a C student?

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