最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
A certain spacecraft has 2 separate computer systems, X and Y, each of which functions independently of the other. The probabilities that systems X and Y will function correctly at liftoff are 0.90 and 0.99, respectively. What is the probability that at least one system will function correctly at liftoff?
D显示答案
· 相关考点
6.4.3 独立事件
6.4.3 独立事件
以上解析由 考满分老师提供。
