question archive In how many ways can 5 letters be chosen from {C, D, E, F, G, H, I}, assuming that the order of the choices doesn't matter and that repeats are not allowed?
Subject:StatisticsPrice: Bought3
In how many ways can 5 letters be chosen from {C, D, E, F, G, H, I}, assuming that the order of the choices doesn't matter and that repeats are not allowed?