8. Let P[Y=x] indicate the probability of a sum of x when rolling three dice. Which of the following
問題詳情
8. Let P[Y=x] indicate the probability of a sum of x when rolling three dice. Which of the followingis/are correct? (A) P[Y=18]=1/2163 (B) P[Y=17=3/216； (C) PY=1]=1/216； (D) P[Y=3]=3/216； (E)PY＜5]=4/216.