问道数学题，GWD18套 MATH32补

靓小仙菁

QX：If the probability is 0.54 that stock a will increase in value during the next month and the probabilty 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

我不知道是不是我题目没读懂还是怎么的

gwang5

股票A下个月上涨的概率是0.54，B上涨概率是0.68，下个月两支股票都不涨的最大概率是多少？

靓小仙菁

那我应该没读错啊~可是答案做不对哎