Question: A lottery will be held. From 1000 numbers, one will be chosen as the winner. A lottery ticket is a number between 1 and 1000.

A lottery will be held. From 1000 numbers, one will be chosen as the winner. A lottery ticket is a number between 1 and 1000. How many tickets do you need to buy in order for the probability of winning to be at least 50%?

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