A Drug Company is developing a new pregnancy-test kit for use on an outpatient basis. The company uses the pregnancy test on 100 women who are known to be pregnant, for whom 95 test results are positive. The company uses the pregnancy test on 100 other women who are known to not be pregnant, of whom 99 test negative.
a. What is the sensitivity of the test? Define Sensitivity.
B. What is the specificity of the test? Define Specificity.
The company anticipates that the women who will use the pregnancy-test kit, 10% will actually be pregnant.
C. What is the PV+ of the test?