问题
填空题
220kv架空线路余建筑物最小垂直距离为（）
答案
参考答案：6.0m
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220kv架空线路余建筑物最小垂直距离为（）
参考答案：6.0m
An equity investment of $750000 in a private company will pay $19000000 at the end of five years if the company is successful. The following is estimates of the probability of failure for each year, given that it survives to the beginning of each year:
| Year | Probability of Failure |
| 1 | 0.40 |
| 2 | 0.35 |
| 3 | 0.30 |
| 4 | 0.25 |
| 5 | 0.20 |
A. $377873
B. $500723
C. $623573