Homework Answers
Given that ,
p = 0.12
1 - p = 1 - 0.12 = 0.88
(a)n =12
Using binomial probability formula ,
P(X = x) = (n C x) * px * (1 - p)n - x
P(X =2 ) = (12 C 2) * 0.122 * (0.88)10
probability =0.2647
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