Respuesta :
Answer:
15C3 = 455 combinations of 3 students can be choosen
Step-by-step explanation:
Answer:
455
Step-by-step explanation:
There are 15 and he chooses 3 at a time.
15 choose 3
15C3 = 455
Answer:
15C3 = 455 combinations of 3 students can be choosen
Step-by-step explanation:
Answer:
455
Step-by-step explanation:
There are 15 and he chooses 3 at a time.
15 choose 3
15C3 = 455