Question 1050786
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Hi  
Giving a test to a group of students, the grades and gender are summarized below 
       A	B	C	Total
Male	4	17	20	41
Female	15	7	19	41
Total	19	24	39	82 
P(NOT B) = 1 - P(B) = 1 - 24/82 = 58/82 = 29/41