标题: 求解数学一到概率题 [打印本页] 作者: yorku 时间: 2012-3-19 07:49 标题: 求解数学一到概率题
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?
A. 0.22
B. 0.32
C. 0.37
D. 0.46
E. 0.63
不甚感激!!!!!!!作者: yorku 时间: 2012-3-19 18:59