There are 11 balls in the box, with numbers 18 to 28 written on them. If an odd number is touched, Li Juan will win, and if an even number is touched, Liu Li will win. Is the game fair? Will Li Juan definitely lose?
盒子里放着11个球，分别写着18～28各数，如果摸到单数则李娟赢，摸到双数则刘丽赢．这个游戏公平吗？李娟一定会输吗？
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