Q35:
There are 8 magazines lying on a table; 4 are fashion magazines and the other 4 are sports magazines.
If 3 magazines are to be selected at random from the 8 magazines, what is the probability that at least
one of the fashion magazines will be selected?
A. 1/2
B. 2/3
C. 32/35
D. 11/12
E. 13/14
这道题算了很久还是得不出答案E,请各位高手帮帮忙
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这题 (C(8,3)-C(4,3))/C(8,3)=(56-4)/56=13/14
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