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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?

Respuesta :

jamesbond3147
together the probability is 0.4 seperate carlos is 0.15 and daniel probability is 0.25
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

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