What are the chances?

What are the chances you'll hit that next big Powerball pay out? Become president? Have twins? Or be attacked by a shark? Find out.

Former first lady Laura Bush and daughters Barbara Bush (left) and Jenna Bush Hager were named to Glamour magazine's 2011 Women of the Year list for their advocacy for "women, children and the world's neediest." When Laura and former President George W. Bush had their daughters, their odds of having twins were 3 in 100 — or 3%.

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