Hmm... your question seems to be missing information. Anyways I will see what I can do to possibly answer your question. You said,"Probability of winning a raffle ticket is 6/50." That means for every 50 raffles that are put in, let's say a box, you only get 6 winning raffles. I guess you meant to say, "If you put in 12 raffles, what is the chance of getting a raffle that wins." If you put in 12 raffles then the probability of having a winning raffle is only 1.44. I found the answer by setting up a proportion problem 6/50 = x/12. Multiple 6 by 12 and then divide by 50 and you get the answer 1.44 - I hope that helps!
The total number of raffle tickets sold is 100 based on your winning probability of 50 6 and the fact that you bought 12 tickets. By setting up a proportion, we found that 6 winning tickets correspond to 100 total tickets. This means for every 100 tickets, there are 6 winning tickets.
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