Question 1175252
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Binomial Distribution:
{{{P (x)= highlight_green(nCx)(p^x)(q)^(n-x) }}} 
p and q are the probabilities of success and failure respectively. 
In this case p = 1/6 & q = 5/6  n = 4
 
Binomial Distribution: Use Your calculator.
P(x=2) with n = 4 and p = 1/6
Using Ti
 P(x=2) = binompdf(4, 1/6, 2)= .1157
Inexpensive and easy to use <u>Casio fx-115 ES plus</u> works similarly
Wish You the Best in your Studies.
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