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- In a roomful of 30 people, what is the probability that at least two people have the same birthday?
- What is the probability of getting a license plate that has a repeated letter or digit if you live in a state where the license plate scheme is four letters followed by two numerals?
- Alaska license plates have two letters followed by three numbers. What is the probability that a randomly chosen license plate will have an NC with the number ending in a 3?
- What is the probability that none of the balls drawn is blue?
- A class contains 10 men and 20 women of which half men and half women have brown eyes. Find the probability that a person chosen at random is a man or has brown eyes.

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