suppose that 1% of the us population is a carrier of
covid -19.Also suppose that a person that has covid-19 that the
test they are given will have a positive test result of 91.9% of
the time and a false negative result of 8.1% of the time.Also
suppose that if a person doesn't have covid-19 then the test will
result in a negative result of 99% of the time and a false positive
of 1% of the time.
A) Draw a tree diagram for a selecting a person from the population
an testing his/her blood.
B) Construct a
probability table that shows the probabilities for individuals in
this population with respect to having /not having covid-19 and
test result.
Let A and B denote the event that a randomly selected has actually the covid -19
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