In the context of biometrics define the terms fraud rate and

In the context of biometrics, define the terms fraud rate and insult rate. In statistics, which of these is a Type I error and which is a Type II error?

Solution

Performance of a biometric measure is defined in terms of fraud rate and insult rate.

Fraud rate also called as False accept rate

Fraud rate can be defined as what percentage of times an invalid user is accepted by the system.

Insult rate also caleed as False rejection rate

Insult rate can be defined as the percentage of times a valid user is rejected by the system

Fraud rate is a Type II error

Insult rate is a Type I error