The birthday theory didn't scare off Paul Kruzel, a retired doctor who chooses the days his children were born.

Both, however, have the same plans for winning: "make a lot of people happy."

John Olson has a more elaborate idea: He'd like to buy an island.

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At a downtown Detroit convenience store, Ceejay Johnson purchased five Powerball tickets. If she strikes it rich, the analyst from Southfield, Mich., said she would buy a home for her sister in Florida. Then she would "go into hiding" and take care of her family.

"And the IRS," she added.