Birthday paradox group probability
Probability that at least two people in a group share a birthday.
[10.4] Governing equation
$$P(\text{match})=1-\prod_{k=0}^{n-1}\left(1-\frac{k}{365}\right)$$
Source: 1728 Software Systems.
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Probability that at least two people in a group share a birthday.
$$P(\text{match})=1-\prod_{k=0}^{n-1}\left(1-\frac{k}{365}\right)$$
Source: 1728 Software Systems.