问题如下:
Following descriptions are regard to the binomial distribution, which one is most correct?
选项:
A.When we compute probabilities, the permutation formula is used.
B.The probability of zero in the binomial distribution may not be zero.
C.It is a continuous probability distribution.
解释:
B is correct.
If the random variable X is zero, it doesn't mean the probability of X must be zero.
能解释一下B吗?