What is the probability that event E or event F or both will occur?
(1) The probability that event E will occur is 0.6.
(2) The probability that event F will occur is 0.4.
答案为什么是E?我选C
GW作者: rosswye 时间: 2010-5-4 22:08
a typical eithor-or choice.
they can be either mutually exclusive or intersected作者: miachw901304 时间: 2010-5-5 06:41
请教NN一下,32的QX怎么做啊?
QX:
If the probability is 0.54 that Stock A will increase in value during the next month and the probability is 0.68 that Stock B will increase in value during the next month, what is the greatest possible value for the probability that neither of these two events will occur?