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March 3, 2015

Posted by **Juliette** on Thursday, December 18, 2008 at 5:17pm.

- Algebra -
**RED FIRE**, Thursday, December 18, 2008 at 5:23pmYou would multiply them to show the number of different combonations you can get for this event, but it would also show the probabilty.

- Algebra -
**Reiny**, Thursday, December 18, 2008 at 5:28pmGenerally, if the two events are mutually exclusive,

that is, one event has no effect on the outcome of the other,

then if you want the Prob(eventA AND eventB) you multiply them

if you want Prob(eventA OR eventB) you add them

so probability of 5 and heads would be 1/12

but

the probability of a 5 or heads would be

1/2 + 1/6 = 2/3

- Algebra -
**RED FIRE**, Thursday, December 18, 2008 at 5:30pmreiny could you answer my chemistry lab question possibly?

- Algebra -
**Reiny**, Thursday, December 18, 2008 at 5:51pmSorry Redfire, the only thing I know about chemistry is that if I toss an Alka Selzer into a 7-Up bottle it causes quite a mess.

- Algebra -
**RED FIRE**, Thursday, December 18, 2008 at 5:54pmlol that is fine

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