All Questions
Tagged with birthday problem-solving
3
questions
-3
votes
1
answer
65
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How can I prove that the probability that exactly 2 people share the same birthday is more likely than everyone has a different day out of 20 people? [closed]
I will be thankful if you can help me and show how to solve this.
0
votes
1
answer
55
views
Birthday Paradoxon
So I saw this interesting problem:
https://en.wikipedia.org/wiki/Birthday_problem
And I am not the best at probability, so my question is why I cant calculate the probability with
P (2 in n same ...
user763336
3
votes
3
answers
2k
views
Birthday Problem: Why isn't the probability 253/365
Consider a set of $23$ unrelated people. Because each 23 pair of people shares the same birthday with probability $1/365$, and there are $\binom{23}2 = 253$ pairs, why isn’t the probability that at ...
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