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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.
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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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