Question: 1) Can a binomial random variable be continuous, or it always discrete? 2) With a continuous random variable, can we still find expectation of X

1) Can a binomial random variable be continuous, or it always discrete?

2) With a continuous random variable, can we still find expectation of X by n*p and variance of X by n*p(1-p)? If not, how to we find the two?

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