# Probability

## 16 terms

### probability

likelihood that an event might happen

sure thing

impossible

### theoretical

what SHOULD happen

### experimental

what DID happen when the data was collected during an experiment or survey

### outcomes

# of possible ways a thing can happen

### independent

the first event does NOT affect the second event, WITH replacement, same number of outcomes each time

### dependent

the first event DOES affect the second event, the # of outcomes decreases each time; withOUT replacement

### permutation

order IS important, place, 1st, second, bronze medal, position...

### combination

order is NOT important-divide out the duplicates

### prime

only 1 and itself as factors, ex: 2, 3, 5, 7, 11, 13

### composite

has more than 1 and itself as factors: ex: 4,6,8,9,10, 12

### even

divisible by 2, ends in 0,2,4,6 0r 8

### odd

not divisible by 2; ends in 1, 3, 5, 7, or 9

a, e, i, o, or u

### consonents

NOT vowels, the other 21 letters of the alphabet