Calculate the probability that exactly 4 of the jobs

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A large disaster cleaning company estimates that 30% of the jobs it bids on are finished within the bid time. Looking at a random sample of 8 jobs that it has contracted: calculate the mean number of jobs completed within the bid time. Find the probability that x (number of jobs finished on time) is within one standard deviation of the mean. Calculate the probability that exactly 4 of the jobs were not completed within the bid time.

Reference no: EM13737731

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