Question 852774
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Hi,
p = .111, n = 20
Using TI ****(highly recommended for cumulative probabilities)
This singular
P(x = 4) = binompdf(20, .111, 4)
Or
Using {{{P (x)= highlight_green(nCx)(p^x)(q)^(n-x) }}} 
P(x = 4 )= 4845(.111)^4(.889)^16