Calculate the theoretical probability of choosing an even-numbered card from a traditional deck of 52 cards. For this question, face cards are not counted as odd or even. Simplify.
4/13
5/13
7/13
20/52
There are 26 even-numbered cards in a deck of 52 cards. Therefore, the theoretical probability of choosing an even-numbered card is 26/52, which simplifies to 1/2 or 13/26. So the answer is 13/26, which further simplifies to 4/13.
Therefore, the theoretical probability of choosing an even-numbered card from a traditional deck of 52 cards is 4/13.