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there are 15 cards , numbered 1 through 15 , if you pick a card what is the probability that you choose an odd number or a two

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alexsari64
I think the probability of picking an odd number is 7/15
rruoxuel
Picking an odd number's probability would be 8/15 because there are 8 odd numbers in the pile of cards.

Picking the number two's probability would be 1/15 because there is 1 card with the number two on it in the pile of cards.

Add them together to get 9/15 and there's your answer.

(P.S. 8/15 is not the answer because two is not an odd number)