网络伪装--网络安全

The false positive rate for a test is the  false-positive test results divided by all patients without the disease.

 false-positive rate = = (b / (b + d)) where:

• b =  false positives

• (b + d) = sum of (false positives, true negatives) = all people without disease

 false-positive rate == 1 – (specificity)

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