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%