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A pair of numbers is picked up randomly ...

A pair of numbers is picked up randomly (without replacement) from the set {1,2,3,5,7,11,12,13,17,19}. The probability that the number 11 was picked given that the sum of the numbers was even is nearly `0. 1` b. `0. 125` c. `0. 24` d. `0. 18`

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