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

Question:

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 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 and describe its appearance. Distribution
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