A nuclear power plant replaces its ID card facility access system cards with a biometric security system that scans the iris pattern of the employee and compares it with a data bank. Users are classified as authorized or unauthorized.

The null and alternative hypotheses is given as $H_0$ : User is authorized vs$.H_1$ : User is unauthorized.

Define Type I and II errors.

$\backslash$table$[[,],[$The scanner fails to admit an authorized user.,$],[$The scanner admits an unauthorized user.,$]]$