Morning Donuts tracked how many of each type of donut were recently sold.

jelly-filled donuts 3
cake donuts 2
cream-filled donuts 5
What is the experimental probability that the next donut sold will be a cake donut?

The experimental probability of selling a cake donut next is 2/10 or 1/5. This is because there were a total of 10 donuts sold and 2 of them were cake donuts.