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17. Using numbers from 1 to 6, the number 9 could be obtained as a sum of three numbers in six ways: 1+2+6, 1+3+5, 1+4+4, 2+2+5, 2+3+4, 3+3+3 and the number 10 can be obtained similarly also in six ways: 1+4+5, 1+3+6, 2+4+4, 2+2+6, 2+3+5, 3+3+4. In a throw of three dice, let p be the probability of getting the sum 9 and q be the probability of getting 10 be q. Then

Answer» 17. Using numbers from 1 to 6, the number 9 could be obtained as a sum of three numbers in six ways: 1+2+6, 1+3+5, 1+4+4, 2+2+5, 2+3+4, 3+3+3 and the number 10 can be obtained similarly also in six ways: 1+4+5, 1+3+6, 2+4+4, 2+2+6, 2+3+5, 3+3+4. In a throw of three dice, let p be the probability of getting the sum 9 and q be the probability of getting 10 be q. Then


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