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 the questions below. If a Dana-Farber faculty or staff worker goes in to have a TB test, what is the chance of him/her getting a positive test result?
Test Result
Tuberculosis
Yes No
Total
Positive
4995
99,950
104,945
Negative
5
9,895,050
9,895,055
5,000
9,995,000
10,000,000
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