#STATS

7 messages · Page 1 of 1 (latest)

dense wigeon
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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?

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Is it just (6/10)*(4/9)?

wraith onyx
dense wigeon
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why?

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He can grab a nonworking- working, two workings, and a working -non working

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(W,NW),(W,W),(NW,W)