Record-breaking Powerball jackpot winner

The Massachusetts mother and hospital worker picked all 6 jackpot numbers, winning over $750 million.
2:04 | 08/25/17

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Transcript for Record-breaking Powerball jackpot winner
funding a dramatic day as we waited for the Powerball winner. The first location was wrong, and then we had the correct winner. Mavis Wanczyk, revealing how she chose those numbers. ABC's gio Benitez from Massachusetts. Reporter: Tonight, after more than two months of rolling jackpots, a record-breaking winner comes forward. I had a pipe dream and the pipe dream came true. Reporter: Mavis Wanczyk, a 53-year-old mother and hospital worker from chicopee, Massachusetts, going home with the largest jackpot ever won by a single ticket, $758 million dollars. Today sharing the moment she and a friend realized she'd won. He's reading these numbers and I pull mine out and I go, hey I have that, I have that, I have that. Ive I have that, and he goes, let me see that picture. And he goes you just won. And I said you're joking, please. And he goes sign that ticket now! Reporter: Those winning numbers? Picked by wanczyck herself -- The numbers were basically random with birthdays, one from here one from there. Reporter: But that big win also bringing some confusion, the Massachusetts lottery making a mistake. At first telling the wrong store owners they had sold the winning ticket and had won $50,000 for making the sale. For seven hours, lottery officials said this was where that winning lottery ticket was sold, but turns out it was actually sold an hour and a half away. While the store didn't sell the jackpot, it did sell one of 34 tickets around the country worth a million dollars. The store now getting $15,000 from the lottery. We still had a million dollar winner so that's better than nothing. Reporter: Six other tickets across the country worth $2 million tonight. As for wanczyck, she's taking the lump sum. $480 million, and says her days of working at the hospital are now over. I have called and told them I will not be coming back. Reporter: So what's she going to do with all that money? She is going to sit back, relax, pay off her car, and she also said just last month on Facebook she is going to go ahead and maybe go on a vacation. That was perhaps a prediction, David. Now it's paid for. Gio Benitez live in

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