问题描述：
SAT数学题概率题求解答
If n and p are to be selected at random from sets N and P respectively,what is the probability the n/(2p) will be a member of set
求讲解解题思路
N {12,18,2,6}
P {1,4,2,3}
If n and p are to be selected at random from sets N and P respectively,what is the probability the n/(2p) will be a member of set
求讲解解题思路
N {12,18,2,6}
P {1,4,2,3}
问题解答：
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