SOLUTION: In a statistics class there 30 females and 20 males; 18 of the females are freshmen and 12 of the males are sophomores. If a student is selected at random, find the probability of

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Question 1008118: In a statistics class there 30 females and 20 males; 18 of the females are freshmen and 12 of the males are sophomores. If a student is selected at random, find the probability of selecting a male or a freshman.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
P(male or fresh) = P(male) + P(fresh) - P(male)*P(fresh)
= 20/50 + 26/50 - (20/50)(26/50) = .712 = 71.2 %