# Textbook Notes for Yu Yin

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## STAT 302 Chapter Notes - Chapter 4: Random Variable, Negative Binomial Distribution

19

So a negative binomial random variable is in many ways like a geometric variable. In a geometric variable, you try to find the probability of getting y

View Document## STAT 302 Chapter Notes - Chapter 5.1: Poisson Distribution, Binomial Distribution

10

Generally as a rule of thumb, if p<= 0. 05, and n>= 20, then approximation will be good and if p<= 0. 01 and n>= 100, then approximation is very good.

View Document## STAT 302 Chapter Notes - Chapter 5.0: Random Variable, Binomial Distribution

12

Poisson distribution is essentially defined by one parameter which is mew . Now is essentially the average number of events occurring over a time perio

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