AP Statistics

Unit IV

Chapter 14: From Randomness to Probability

event

Settles down

100%

50%

0%

probability

Trialoutcome

event

Independent

LLN

Short-term

infinitely

theoretical

impossiblecertainty

Weather reporting

)(1)( CAPAP

)()()()( BAPBPAPBAP

)()()( BPAPBAP

“at least one”Compliment is “none”

“OR”add

“AND”multiply

.38 + .36 = .74 = 74%

.16(.16)=.0256 = 2.56%

Compliment (none of three pick purple) = (.84)(.84)(.84)=.592704

1-.592704 = .407296 = 40.73%