(Answered) A large construction firm estimates that 25 of the jobs

Statistics

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?

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