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- 精华
- 0
- 积分
- 2170
- 经验
- 2170 点
- 威望
- 216 点
- 金钱
- 216 ￥
- 魅力
- 216
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求问GWD一题
On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains.If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?
A.0.008
B.0.128
C.0.488
D.0.512
E.0.640
ANSWER: B |
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