Data Interview Qs - Large numbers in a raffle

InterviewQs

Large numbers in a raffle

Statistics Probability Theory Binomial

Forward this email to a friend or colleague and challenge them to solve it.

Hi, 

Suppose you enter a raffle held every weekday with just 200 tickets. You are only permitted to buy 1 ticket in each draw. Given this information, if you buy 200 tickets over 200 weekdays, what do you expect are your chances of winning at least one of the raffles?

Hint: take some time to think about this one, it's not as straightforward as it might seem at first


 

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