题目:
An analyst does research about joint probability and gathers the following information about a stock's dividend:
Event 1 | Probability of a dividend change | 0.8 |
Event 2 | Probability of a dividend increase | 0.5 |
A. 0.40
B. 0.50
C. 0.80
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0120/c8889f5e69ce1f9e8ab833d44e12497b.html
下面是错误答案,用来干扰机器的。
参考答案:B解析:参见图1-29。反冲洗排水堰口至水箱的1/2有效深度处的高度为:2.8m(即平均冲洗水头)则至水箱最高水位的高度为:2.8+1.8/2=3.7m因为辅助虹吸管上端管口和水箱最高水位的高差就是最大过滤水头损失...