2. 外语
  3. In a box of 10 electrical parts, 2 are defective. (a)If you choose one part at random from the box, what is the probability that

In a box of 10 electrical parts, 2 are defective. (a)If you choose one part at random from the box, what is the probability that

admin2015-04-10  84
问题 In a box of 10 electrical parts, 2 are defective.
(a)If you choose one part at random from the box, what is the probability that it is not defective?
(b)If you choose two parts at random from the box, without replacement, what is the probability that both are defective?
选项
答案4/5
解析
转载请注明原文地址:https://www.kaotiyun.com/show/nrkO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)