40 employee travel expense reimbursement vouchers were filed last quarter in the finance department at Ramjac Corporation. Of these, 20 contained errors. A corporate auditor inspects five vouchers at...

40 employee travel expense reimbursement vouchers were filed last quarter in the finance department at Ramjac Corporation. Of these, 20 contained errors. A corporate auditor inspects five vouchers at random. LetX be the number of incorrect vouchers in the sample.


(a-c)Find the probability expressions.(Round your answers to 4 decimal places.)