Midterm 1:
Property A:
For RV X and total outcome set A
Property B:
For RVs U and V…
Property C:
You can bring a constant out of EV
Property D:
If U and V are independent RVs
Property E:
Definition of Variance
Property F:
Proof:
Property G:
Property H:
Other general properties:
coef. of variance =
Covariance: The degree to which U and V vary together
- Essentially correlation
Different Probability Distribution
Geometric Series
How long until success p?
Indicator
A yes or no response
x={0,1}
Binomial
Play n games and win k times
General PMF:
Uniform:
Every int is equally likely from