If dana-farber faculty or staff worker goes in for a tb

Reference no: EM13639191

The faculty and staff at Dana-Farber Cancer Institute in Boston are required to undergo a tuberculosis test each year. Use the following table to answer each question.

TEST RESULTS

POSITIVE: TB= 4995, NO TB= 99, 950, TOTAL= 104,945

NEGATIVE: TB= 5, NO TB= 9, 895, 050, TOTAL= 9, 895, 055

TOTAL: TB= 5000, NO TB= 9,995,000, TOTAL= 10, 000,000

a.) If Dana-Farber faculty or staff worker goes in for a TB test, what is the chance of him/her getting a postive test result?

b.) What is the positive predictive value of the test?

Reference no: EM13639191

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