Binomial Distribution Flashcards
(8 cards)
1
Q
What does it describe
A
The outcome of a series of n independent Bernoulli trials
2
Q
What is the probability of success
A
Pi
3
Q
What is the probability of failure
A
1-Pi
4
Q
Equation to calculate number of combinations in which you can get x successes from N trials
A
N!/ x!(n-x)!
5
Q
write equation for number of ways you can get two heads from 3 coin flips
A
3!/2!(3-2)!
6
Q
Formula for calculating X successes in n trials
A
7
Q
What is the mean
A
nPi
8
Q
What is the variance
A
nPi(1-Pi)
