Question 860372
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Hi,
p = 1/14,000 = .00007
P(x) = Binompdf(n,p,x)
Three Engines: n = 3
Binompdf(3,.00007,x)  vary x as asked: 
for ex P(x = 2) = binompdf(3,.00007,2) = .000000015  0r 1.5x10^(-8)

Two Engines: n = 2
Binompdf(2,.00007,x)  vary x as asked: