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Mathematics 7 Online
OpenStudy (anonymous):

Is it a good idea to buy a Powerball ticket? How big would the jackpot have to be before a ticket has positive expected value? Show your work.

OpenStudy (precal):

can't win if you don't buy a ticket, I should go buy a ticket as well

OpenStudy (nottim):

wait. no matter how large the jackpot the expected value is always....the same, no?

OpenStudy (anonymous):

no, larger jackpots mean you can win more even though the ticket price is the same

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