Binomial Distribution Flashcards by Nyonno Eteng

Q

Binomial experiment is

A

It is one that results in 2 possible outcomes

I.e success and failure

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Q

Characteristics of binomial

A

The experiment has n trials
Each trial results in success and failure
The probability of success is constant from trial to trial
The number of trials are independent

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Q

Formula for calculating binomial distribution

A

Pdf (f(x)=nCxP^x (1-p)^n-x
Mean=np
Variance=npq=nP(1-p)
Given that p+q=1

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