Combinatoricshard
0:00.0
How many ways can you select 4 items from 10 items such that at least 2 are of type A, at least 1 is of type B, and at least 1 is of type C?
How many ways can you select 4 items from 10 items such that at least 2 are of type A, at least 1 is of type B, and at least 1 is of type C?