Statistical distrubutions Flashcards
(5 cards)
1
Q
What is a random variable
A
quantity that can take different values
2
Q
What is a discrete random variable
A
only take certain values like integers
3
Q
What is a probability distrubution table
A
listing values and matching probabilities
4
Q
What are the requirements for discrete random variables
A
two possibilities
fixed probability of success
finite number of trials
trials independent of eachother
5
Q
What is cumulative distrubution on calc
A
Binomial CD
x: value
N: number of trials
p: probability
