Fifty 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. Let
X be the number of incorrect vouchers in the sample. (a) Use Excel to calculate
the entire hypergeometric probability distribution. (b) Find P(X = 0). (c) Find
P(X = 1). (d) Find P(X _ 3). (e) Make an Excel graph of the PDF of the
hypergeometric distribution and describe its appearance.
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