According the New York Times: “States are also trying to bolster the number of ‘core’ players, according to interviews with lottery officials in several states. Such players typically represent only 10 percent to 15 percent of all players but account for 80 percent of sales, according to Independent Lottery Research, which does research and marketing for state lotteries.”
“Teen Sports Betting: A Growing Concern in Schools” | The Boston Globe
By Yvonne Abraham Nearly 400 underage users in two states were caught in the past year on sports gambling websites,