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A medical laboratory receives 40 blood specimens to check for

A medical laboratory receives 40 blood specimens to check for HIV. Eight actually contain HIV. A worker is accidentally exposed to five specimens.

(a) Use Excel to calculate the entire hypergeometric probability distribution.

(b) What is the probability that none contained HIV?

(c) Fewer than three?

(d) At least two?

(e) Make an Excel graph of the PDF of the hypergeometric distribution and describe its appearance.

(a) Use Excel to calculate the entire hypergeometric probability distribution.

(b) What is the probability that none contained HIV?

(c) Fewer than three?

(d) At least two?

(e) Make an Excel graph of the PDF of the hypergeometric distribution and describe its appearance.

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