A pair of dice is thrown. Find the probability that the sum is not 9 or 11
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the total number of outcomes is 36 . Let A be the event of getting pairs whose sum is 9 or 11 . The pairs whose sum is 9 are ( 3 , 6 ) , ( 4 , 5 ) , ( 5 , 4 ) and ( 6 , 3 ) .
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Step-by-step explanation:
because in a dice 9 and 11 is not there
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