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Fifty employee travel expense reimbursement vouchers were filed last quarter in the finance department of a Corporation. Of these, 20 contained errors. A corporate auditor

Fifty employee travel expense reimbursement vouchers were filed last quarter in the finance department of a Corporation. Of these, 20 contained errors. A corporate auditor inspects five vouchers at random. Let x be the number of incorrect vouchers in the sample. Find P (X <3)

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