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OpenStudy (mackenzie2013):
In a raffle, Scott buys 10 tickets and his friend Tom buys 6 tickets. If there are 80 tickets sold, what is the probability that Scott or Tom will win? PLEASE EXPLAIN!
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OpenStudy (anonymous):
Use the rule of total probability
OpenStudy (anonymous):
That is add the probability that Scott will win to the Prob that tom will win. Think of it this way what if Scott bought 10 tics then 6 more. We would say what is the prob that scott or scott wins
OpenStudy (anonymous):
Does that help?
OpenStudy (mackenzie2013):
So take 10 and add 6 too it ?
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