问题
单项选择题
A dealer in a casino has rolled a five on a single die three times in a row. What is the probability of her rolling another five on the next roll, assuming it is a fair die（）
A. 0.001.
B. 0.500.
C. 0.167.
答案
参考答案：C
解析：
The probability of a value being rolled is 1/6 regardless of the previous value rolled.