AP Statistics 2012 Free-Response Questions
2012 AP® STATISTICS FREE-RESPONSE QUESTIONS -4- (II) Probability PA B PA PB PA B()()()( )»= + - « () PA B PAB PB « = EX xp()==μx  i i Var( ) 2 ( )2 x ix Xxp== -s  μ i If X has a binomial distribution with parameters n and p, then: () (1) n knk PX ......