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» Mathematics » AP Statistics » Discrete Random Variables
IV. Probability & Expected Value: Lecture 3 | 39:06 min
Post by Xiaming Jin on April 25 at 03:51:48 AM
Hi,How do you get formula of variance of binomial distribution?Why Var(x)=np(1-p)?And for geometric distribution, I can't understand for both expected value and variance.Could you give me some explanation?Thanks a lot.
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