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In a raffle, Carlos buys 12 tickets and his friend Daniel buys 20 tickets. If there are 80 tickets sold, what is the probability that Carlos or Daniel will win?
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2 votes
In a raffle, Carlos buys 12 tickets and his friend Daniel buys 20 tickets. If there are 80 tickets sold, what is the probability that Carlos or Daniel will win?

User Jon Lee
by
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2 Answers

3 votes
Probability Carlos winning = 12 / 80
and probability of Daniel win = 20 /80

as this is an OR question we add these
so answer is 12/80 + 20/80 = 32/80 = 2/5
User Yashas
by
7.8k points
3 votes
together the probability is 0.4 seperate carlos is 0.15 and daniel probability is 0.25
User BillyB
by
7.8k points
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