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Mathematics, 05.07.2020 14:01 aaliyahnv07

A raffle is held. There are 100 tickets, each selling for $10. Sole prize is a $400 laptop computer. What is the expected value? (don't type in $ sign)

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A raffle is held. There are 100 tickets, each selling for $10. Sole prize is a $400 laptop computer...
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