A screening examination was performed on 250 persons for human papilloma virus (HPV), which is found in cervical cancer. A definitive diagnosis for cervical cancer among the 250 subjects had been obtain previously. There were 60 subjects who tested positive for HPV who also had cervical cancer, 40 subjects who tested positive for HPV but did not have cervical cancer. There were 10 subjects who tested negative for HPV, but had cervical cancer and 140 subjects who tested negative for HPV, who did not have cervical cancer. (Hint: create a 2 X 2 table). The sensitivity of this test is expressed as:
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