TT8-9

cryingjulie

各位，这道题目如何解？我算来算去不知道答案为什么出来。。

    

Q9:

    

If an integer n is to be chosen at
random from the integers 1 to 96, inclusive, what is the probability that n(n
+ 1)(n + 2) will be divisible by 8?

    

 

    

A.    1/4

    

B.    3/8

    

C.  1/2   

    

D.5/8    

    

E.  3/4