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You are conducting a screening for osteoporosis at an assisted living facility. You recruit 171 subjects...

You are conducting a screening for osteoporosis at an assisted living facility. You recruit 171 subjects and 34 screen positive for osteoporosis. You have 17 people who have osteoporosis confirmed by dexascan but only 14 of them screened positive. Three people who have osteoporosis screened negative. What is the efficacy of your screen

86.5%

89%

96%

Unable to determine
Math   Statistics-And-Probability   
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