List A contains the numbers [20,10,30], while list B contains the numbers [10,30,20,40,30]. We choose one number from list A randomly and one number from list B randomly. What is the chance that the number we drew from list A is larger than or equal to the number we drew from list B
From A choose 10 5 choices in list B 1 fits the criteria
20 5 B 2
30 5 B 4 fit criteria
15 choices 7 possibles
7 / 15