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Tagged with birthday poisson-distribution
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Birthday problem: Poisson vs binomial random variable
From this post, the birthday problem involving more than 2 people can be approximated using a Poisson random variable. But I am wondering whether a binomial random variable can be used here. I imagine ...
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Poisson paradigm in "near-birthday problem" example
I am presented with an example called the "near-birthday problem":
What if we want to find the number of people required in order to have a 50-50 chance that two people would have birthdays within ...
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Probability 33 people in a group of 100,000 have the same birthday? Assuming years have 365,000 days.
Probability 33 people in a group of 100,000 have the same birthday? Assuming years have 365,000 days. Would this Poisson Formula work?
Updated!
Note to OP: Probability of exactly $33$ people have ...
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How many days are needed to cover at least half of all birthdays in a group of people?
My question is related to this question.
I am wondering if we have a large crowd of $2000$ people: what is the expected minimum number days of the year we have to pick in order for at least half of ...
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Poisson Distribution Problem relating to birthdays
Consider a random collection of n individuals. When approximating the probability that no 3 of these individuals share the same birthday, a better Poisson approximation than that obtained in the text (...