Two integers are selected at random from the set{1, 2, ….., 11}.Given that the sum of selected number is even, the conditional probability that both the numbers are even is |
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Two integers are selected at random from the set{1, 2, ….., 11}.Given that the sum of selected number is even, the conditional probability that both the numbers are even is |
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(b) |
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(c) |
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Since sum of two numbers is even so either both are odd or both are even. Hence number of elements in reduced samples space
=5C2+6C2
So required probability=