#STATS
7 messages · Page 1 of 1 (latest)
(6/10)(4/9)+(4/10)(6/9)+(6/10)(5/9)
why?
He can grab a nonworking- working, two workings, and a working -non working
(W,NW),(W,W),(NW,W)
that's what I meant
7 messages · Page 1 of 1 (latest)
A drawer contains 10 AA batteires, four of which are dead and six of which are working. Homer grabs two random batteries ( without replacement) to put in his remote. What is the probaibility that he grabs at least one working battery?
Is it just (6/10)*(4/9)?
(6/10)(4/9)+(4/10)(6/9)+(6/10)(5/9)
why?
He can grab a nonworking- working, two workings, and a working -non working
(W,NW),(W,W),(NW,W)
that's what I meant