Question: A track star runs two races on a certain day. The probability that he wins the first race is 0.7, the probability that he wins

A track star runs two races on a certain day. The probability that he wins the first race is 0.7, the probability that he wins the second race is 0.6, and the probability that he wins both races is0.5. Find the probability that:
A) he wins at lease one race.
B) he wins exactly one race.
C) he wins neither race

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