Question: What are ROC curves useful for?

Question: A user scores a perfect match on your system. Do you let the user in? Discuss.

Please provide your answer in the text box. Question: 1a. Presented are two tables that can be used to generate ROC curves. Complete the given tables for two algorithms Algorithm 1 (N = 100, P = 25) Thr. | TPI FPI TN FN FAR Algorithm 2 (N- 100, P 75) Thr.I TPI FPI TN | FN | FAR FRR FRR 75 70 65 60 45 30 15 10 0 1 55 2 10 10 3 15 15 201-20 5 25 30 6 25 40 7 25 50 8 25 60 9 25 75 0 9 0 13 15 17 19 21 23 10 15 20 25 2a. Consider the ROC curves from question 1 (hint draw the curves on your own paper). When FAR is less than When FAR is greater than For a system requiring FAR 0.1, use Algorithm For a system requiring FRR