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Question:

If there were a total of 450 raffle tickets sold and you bought 13 tickets, what's the probability that you'll win the raffle?

A About 3%
explanation

You have 13 out of the total of 450 raffle tickets sold so you have a \( \frac{\mathrm{13} }{\mathrm{450} } \times 100 = 3 \% \)