calculating false positive rate from sensitivity and specificity
Sensitivity and specificity
N P V = T N / ( T N + F N ) ( \ displaystyle ( \ mathit ( NPV ) ) = ( \ mathit ( TN ) ) / ( ( \ mathit ( TN ) ) + ( \ mathit ( FN ) ) ) )
N P V = T N / ( T N + F N ) ( \ displaystyle ( \ mathit ( NPV ) ) = ( \ mathit ( TN ) ) / ( ( \ mathit ( TN ) ) + ( \ mathit ( FN ) ) ) )