Question

помогите пжж( не понимаю

Answer 1

1) n=12, k=3, P=3/12=1/4
2)n= 12, k=10, Р=10/12=5/6
3)n=12, k=2,Р=2/12=1/6
4)n=12, k=6,Р=6/12=1/2