AMC 8 2019 Problem 18

AMC8 2019 年第 18 题

概率★★★☆☆

The faces of each of two fair dice are numbered 1 , 2 , 3 , 5 , 7 , and 8 . When the two dice are tossed, what is the probability that their sum will be an even number?

两个标准骰子的 6 个面都标有数字 1，2，3，5，7，8.当掷了这两个骰子，问它们的数字和是个偶数的概率是多少？

A. $\displaystyle \frac{4}{9}$
B. $\displaystyle \frac{1}{2}$
C. $\displaystyle \frac{5}{9}$
D. $\displaystyle \frac{3}{5}$
E. $\displaystyle \frac{2}{3}$

正确答案 · Correct Answer

C

解析 · Solution

解析整理中

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