SOLUTION: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 10 7 20 37 Female 9 6 4 19 Total 19 13 24 56 If one student is chosen a

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Question 1158626: Giving a test to a group of students, the grades and gender are summarized below
A B C Total
Male 10 7 20 37
Female 9 6 4 19
Total 19 13 24 56

If one student is chosen at random,
Find the probability that the student was male OR got an "A".
Answer by ikleyn(52775) About Me  (Show Source):
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Giving a test to a group of students, the grades and gender are summarized below 
        A	B	C	Total
Male	10	7	20	37
Female	9	6	4	19
Total	19	13	24	56

If one student is chosen at random,
Find the probability that the student was male OR got an "A".
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P(male OR got an "A") = %2837+%2B+9%29%2F56 = 46%2F56 = 23%2F28.



The formula is SELF-EXPLANATORY: the numbers in the formula explain everything.