question 3 plz

3. Parikh et al. (2008) presented a study for detecting primary angle closure glaucoma (PACG). Three different tests were compared, intraocular pressure, Torch light test, and van Herick test. The table below summarizes their findings. a. If an individual truly has PACG, then what is the probability that the intraocular pressure test will detect it? 47/ b. If an individual truly does not have PACG, then what is the probability that the Torch light test correctly result in a negative prediction (no PACG)? 701 c. The population prevalence of PACG among those older than 80 years old has been estimated to be 2.8% (Zhang et al., 2021). Assuming this to be true, calculate the positive predictive value of the Torch light test. - 15/ 1 2059 Shows sensitivity, specificity of intraocular pressure, torch light test and van Herick test Test Sensitivity (%) Specificity (%) Intraocular pressure 47 92 Torch light test 80 70 van Herick test 61.9 89.3