14 lines
313 B
Python
14 lines
313 B
Python
import operator as op
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from functools import reduce
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def nCr(n, r):
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r = min(r, n-r)
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num = reduce(op.mul, range(n, n - r, -1), 1)
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den = reduce(op.mul, range(1, r + 1), 1)
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return num / den
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def binomial(x, n, p):
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q = 1 - p
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return nCr(n, x) * (p**x) * (q**(n-x))
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print(binomial(5, 100, 0.1))
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