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Intelligence saves lives
A happy ticket is a super lucky ticket people have said that people who obtain a happy ticket will have a lot of luck (high scores,...). But what exactly makes a ticket happy? From 000000 to 999999, a ticket is considered happy if the sum of the first 3 digits is the same as that for the last 3 digits.
One of the question that students sometimes ask is: what is the probability to receive a happy ticket? Let’s find out today:
Or a person (a student maybe) will have a 1 in 18 chance to receive a happy ticket!
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