X, Y, and Z are independently distributed. The probability of X is 30%, the probability of Y is 40%, and the probability of Z is 20%. Which of the following is closest to the probability that either X or Y will occur? —— 财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application

财会经济>CFA特许金融分析师 > CFA考试（Level Ⅰ） > Study Session 3　Quantitative Methods Application

单选题 编号：2690488

1. X, Y, and Z are independently distributed. The probability of X is 30%, the probability of Y is 40%, and the probability of Z is 20%. Which of the following is closest to the probability that either X or Y will occur?

A.70%
B.58%
C.12%

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