If you’ve ever heard someone say, “That store is lucky — it sells winning tickets all the time,” you’re not alone. Every big jackpot seems to come with a headline about where  the ticket was bought … and suddenly that gas station or supermarket becomes a mini tourist attraction. But here’s the truth most people skip: A store (or state) doesn’t have “better odds” in a magical sense. The odds are the odds per ticket . What changes from place to place is how many tickets are sol