一道算概率的英文题3Dice,Lotteries and LottoNote:You should write your answers electronically on these pages in the spaces provided.If you are working in a group,please submit only one copy.Handwritten answers
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A.P=6/(6*6*6/A3 3)
B.payoff to odds:
P=3*3*3/(6*6*6/A3 3)
E(x1)=P*31
Specific triple:
P=6/(6*6*6/A3 3)
E(x2)=p*180
Compare the values of E(x1) and E(x2),The one with higher E(x) is preferred.
C.P=1*1*1/(6*6*6/A3 3)
======以下答案可供参考======
供参考答案1:
只会第一题~
应该是1/6×1/6×1/6=1/216