问题
单项选择题
In any given year, the chance of a good year is 40 percent, an average year is 35 percent, and the chance of a bad year is 25 percent. What is the probability of having two good years in a row（）
A. 16.00%.
B. 10.00%.
C. 8.75%.
答案
参考答案：A
解析：
The joint probability of independent events is obtained by multiplying the probabilities of the individual events together: (0.40)× (0.40)=0.16 or 16 percent.