AMC 8 2015 Problem 7

AMC8 2015 年第 7 题

概率★★☆☆☆

Each of two boxes contains three chips numbered 1, 2, 3. A chip is drawn randomly from each box and the numbers on the two chips are multiplied. What is the probability that their product is even?

有两个盒子，每个盒子内都有分别标有 1,2,3 的三个筹码。从每个盒子里都随机抽取一个筹码，并把上面标的数字相乘，那么乘积是偶数的概率是多少？

A. $\displaystyle \frac{1}{9}$
B. $\displaystyle \frac{2}{9}$
C. $\displaystyle \frac{4}{9}$
D. $\displaystyle \frac{1}{2}$
E. $\displaystyle \frac{5}{9}$

正确答案 · Correct Answer

E

解析 · Solution

解析整理中

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