Mathematics, 16.11.2019 03:31 oglejack6138
Certain virus infects one in every 300 people. a test used to detect the virus in a person is positive 80% of the time if the person has the virus and 8% of the time if the person does not have the virus. (this 8% result is called a false positive.) let a be the event "the person is infected" and b be the event "the person tests positive". hint: make a tree diagram a) find the probability that a person has the virus given that they have tested positive, i. e. find p(a|b). round your answer to the nearest tenth of a percent and do not include a percent sign. p(a|b)= % b) find the probability that a person does not have the virus given that they test negative, i. e. find p(a'|b'). round your answer to the nearest tenth of a percent and do not include a percent sign. p(a'|b') =
Answers: 2
Mathematics, 21.06.2019 14:30
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Mathematics, 21.06.2019 19:30
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Certain virus infects one in every 300 people. a test used to detect the virus in a person is positi...
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