Users are willing to tolerate one false acceptable? Why? Explain. FNFRITATR Part D (20%) Suppose you have another biometric system system-B with the following data. Test Case 1 2 3 Threshold 40 40 40 40 40 Enrollment ID ID-9 ID-2 ID-3 ID-3 ID-7 ID-6 ID-5 ID-7 ID-8 ID-4 4 Score 32 50 68 66 54 55 78 14 98 63 Sample ID S-9 S-3 S-4 S-3 S-6 S-6 S-7 S-7 S-8 S-9 40 40 40 40 5 6 7 8 9 40 10 Remark: 1. ID-x represent a user with an ID x. For example, ID-9 means a user with an ID 9. 2. S-Y represent a user with an ID Y. For example, S-7 means a user with an ID 7. 3. ID-X and S-Y refer to the same person if X=Y, or different persons otherwise, 4. Verification is accepted if the score is less than the threshold. 5. FA=False Acceptance, FR=False Rejection, TA=True Acceptance, TR=True Rejection (1) 5% Fill in last column in the table above. 10% Derive FAR and FRR. (ii) 5% Which system will you prefer, System-A or System-B? Explain. -END- Users are willing to tolerate one false acceptable? Why? Explain. FNFRITATR Part D (20%) Suppose you have another biometric system system-B with the following data. Test Case 1 2 3 Threshold 40 40 40 40 40 Enrollment ID ID-9 ID-2 ID-3 ID-3 ID-7 ID-6 ID-5 ID-7 ID-8 ID-4 4 Score 32 50 68 66 54 55 78 14 98 63 Sample ID S-9 S-3 S-4 S-3 S-6 S-6 S-7 S-7 S-8 S-9 40 40 40 40 5 6 7 8 9 40 10 Remark: 1. ID-x represent a user with an ID x. For example, ID-9 means a user with an ID 9. 2. S-Y represent a user with an ID Y. For example, S-7 means a user with an ID 7. 3. ID-X and S-Y refer to the same person if X=Y, or different persons otherwise, 4. Verification is accepted if the score is less than the threshold. 5. FA=False Acceptance, FR=False Rejection, TA=True Acceptance, TR=True Rejection (1) 5% Fill in last column in the table above. 10% Derive FAR and FRR. (ii) 5% Which system will you prefer, System-A or System-B? Explain. -END