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Two hundred sixty employee travel expense reimbursement vouchers were filed last year in the finance department...

Two hundred sixty employee travel expense reimbursement vouchers were filed last year in the finance department at Ramjac Corporation. Of these, 25 contained errors. A corporate auditor audits a sample of ten vouchers. Let X be the number of incorrect vouchers in the sample. (a) Is the binomial approximation justified? Yes No (b) Find the probability that the sample contains no erroneous vouchers. (Do not round your intermediate answers. Round your answer to 4 decimal places.) Probability (c) Find the probability that the sample contains at least two erroneous vouchers. (Do not round your intermediate answers. Round your answer to 4 decimal places.) Probability

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