Complete within the contracted time period

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A large construction firm estimates that 25% of the jobs that it manages are not completed within the contracted time period. It looks at a random sample of 8 jobs that it has managed. 

a. What is the probability that less than 3 of the jobs were not complete within the contracted time period?

B. What is the probability that great than 4 were not completed?

Reference no: EM131055864

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