A Vaccine Is 95 Percent Effective

question 125

Multiple Choice

A vaccine is 95 percent effective.What is the probability that it is not effective for: More than one out of 20 individuals?

• A).7359
• B).3585
• C).2641
• D).3774

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Definitions:

Bloodstream

The flowing blood within the circulatory system of the body.

Lipoprotein

A molecule consisting of protein and fat, which transports fats in the blood and lymphatic system.

ECG

Electrocardiogram, a test that records the electrical activity of the heart to detect heart problems.

Holter Monitor

A portable device worn by patients to continuously record the heart's electrical activity over 24 hours or longer.