Question: A study concluded that among people with a certainvirus, 99.3 99.3 % of tests conducted were(correctly) positive, while for people without thevirus, 97.8 % of

A study concluded that among people with a certainvirus, 99.3

99.3% of tests conducted were(correctly) positive, while for people without thevirus,

97.8% of the tests were(correctly) negative.

23% of patients actually carry thevirus, what's the probability that a patient testing negative is truly free of thevirus?

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