The special rule of addition applies when calculating the
probability that the first card chosen in a standard deck of cards will
be
A. a heart or a queen
B. a heart or a spade
C. a heart and a queen
[此贴子已经被作者于2010-7-25 20:55:17编辑过]
作者: miokong 时间: 2010-7-25 20:52
请帮忙 解释以下的问题:
The special rule of addition applies when calculating the probability that the first card chosen in a standard deck of cards will be
A. a heart or a queen
B. a heart or a spade
C. a heart and a queen
