Probability
 sample space (outcomes and events)
 systematic list
 tree diagram
 grid/area
 experimental vs theoretical
 (# desired outcomes) / (total # outcomes)
 law of large numbers
 fundamental counting principle
 randomizers: dice, spinners, objects in bags, …
 independent events (e.g., with replacement)
 dependent events (e.g., without replacement)
Expected value: value × probability
Conditional probability
 twoway frequency tables
 P(A  B) = probability of A given B

