Question 475702
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Hi,
Note: P(A or B) = P(A) + P(B) - P(A and B)
10 golfers , 6 of them are girls 
2 of the girls are over 40 , 3 of the men are over 40 . 
P(girl or over 40) = 6/10 + 5/10 - 2/10 = 9/10