A New Screening Test for Lyme Disease Is Developed for Use

A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Three hundred people are screened at a clinic during the first year the new test is implemented. (Assume the true prevalence of Lyme disease among clinic attendees is 10%.) The number of false positives is:

A) 99.
B) 9.
C) 12.
D) 2162.
E) 81.

Correct Answer:

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