8.35 A large construction firm has won 60% of the jobs for which it has bid. Suppose...
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8.35 A large construction firm has won 60% of the jobs for which it has bid. Suppose this firm bids on 25 jobs next month.
a Approximate the probability that it will win at least 20 of these.
b Find the exact binomial probability that it will win at least 20 of these. Compare this probability to your answer in part (a).
c What assumptions are necessary for your answers in parts
(a) and
(b) to be valid?
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Related Book For 
Probability And Statistics For Engineers
ISBN: 9781133006909
5th Edition
Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr
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