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esquinas/birthday_collision.py

Created August 14, 2018 14:22
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Calculate percentage probability of birthday collisions (Birthday paradox)
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birthday_collision.py
import math
def prob_of_birthday_collision(people=23.0, days=365.25):
e = math.e
k = float(people)
n = float(days)
return 100.0*(1.0-e**((-k*(k-1.0)) / (2.0*n)))
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