![P(5)=(1)/(13)](https://img.qammunity.org/2023/formulas/mathematics/high-school/vyl9rlbe8adgy2zt7jv9uek6j000ozia13.png)
1) Considering that in one deck we have 52 cards, and we also have four number fives one per each: hearts, spades, clubs, and diamonds.
2) Then we can delimit our sample space as 52 and the event as 4, so we can write out the following:
![P(5)=(4)/(52)=(1)/(13)](https://img.qammunity.org/2023/formulas/mathematics/high-school/amtcam2upq8eoh9ba197f2jteagqucod03.png)
Note that we could simplify that, dividing both by 4. And that's the answer.