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FrancoisMalan/gist:6671afc0b073f09939d4707f2bd63950

Created November 7, 2016 13:49
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Lorita se notebook
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gistfile1.txt
import math
def comb(n, k):
return int(math.factorial(n)/(math.factorial(k)*math.factorial(n-k)))
def lorita_sum(number_machines, available_machines, availability_percent):
result = 0
prob = availability_percent / 100
for i in range(number_machines-available_machines+1):
result += comb(number_machines, i) * math.pow(1-prob, i) * math.pow(prob, number_machines-i)
return result * 100
lorita_sum(40, 37, 99.97)
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