Binomial Distribution Flashcards
1
Q
Binomial experiment is
A
It is one that results in 2 possible outcomes
I.e success and failure
2
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
3
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