An analyst gathers the following information about the odds of two companies raising new stock.
Company | Odds |
1 | 3 to 5 |
2 | 4 to 7 |
A. 0.136
B. 0.171
C. 0.343
参考答案:A
解析:
几率(odds)等于事情发生的可能性除以事情不发生的可能性,P1=3/(3+5)=0.3750,P2= 4/(4+7)=0.3636,所以两个独立事情一起发生的概率为P1×P2=0.3750×0.3636=0.136。