Let's pretend that a new diagnostic test is available for Alzheimer's disease and a score of greater than 6 is considered a "positive" result (indicating you have the disease)The table below provides data based on the number of gold standard of diagnosis upon autopsy. Autopsy results positive (+) Autopsy results negative(-) TOTAL AD test (+) 180 320 500 AD test negative (-) 70 430 500 TOTAL 250 750 1000 Question: What is the sensitivity of the AD test? a. 28% b. 36% c. 57% d. 72%