W****O
发帖数: 677 | 1 2号卖了其它股票并买入一个股票，今天想把它卖了。
可是下单时提示会有good faith violation. 可是当天卖的股票的钱（买完新股票剩下
一点）显示已经settled. 新买的股票在历史纪录里显示会在5号settled，可是为什么
会有这个提示呢？
(013013)The sell order you are about to place includes shares that are not
yet settled (paid for). Please be aware that if there are insufficient funds
to cover your original purchase, this sale may result in a Good Faith
violation. |
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z*******m
发帖数: 87 | 2 买了股票后必须等到settled后才能卖吗？ 谢谢！
Warning: (013013)The sell order you are about to place includes shares that
are not yet settled (paid for). Please be aware that if there are
insufficient funds to cover your original purchase, this sale may result in
a Good Faith violation。 |
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a*******1
发帖数: 1554 | 3 P(get the prize) = P(get the prize|select wrong door at first)*P(select
wrong door at first)
= P(get the prize|select wrong door at first)*(3/4)
= (1/2)*(3/4)
= 3/8
因为如果一开始选对了那么换了之后就错了，所以要拿奖前提是开始选错了。既然开始
错了，对方又开了一个错的，那么剩下两个其中一个是对的，所以1/2
for 20 doors
P(get the prize) = P(get the prize|select wrong door at first)*P(select
wrong door at first)
= P(get the prize|select wrong door at first)*(19/20)
= (1/18)*(19/20）
= 0.052778
for 1000 doors with 13 prizes,
P(get the prize) = P(get the prize|select wr... 阅读全帖 |
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