In the past, Ben has been able to hit a baseball at the batting cage 20%...
Homework Answers
(A) using geometric distribution formula
where n = 8 and p = 20/100 = 0.20
(B) probability that his first hit will not be within the first nine pitches = (1-p)^n
where p = 0.20 and n = 9
this gives us
P(no hit within 9 pitches) = (1-0.20)^9 = 0.1342
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