A 60-Year-Old Patient,who Is an Epidemiologist,was Tested for Raven Disease;

question 4

Multiple Choice

A 60-year-old patient,who is an epidemiologist,was tested for Raven disease; his test came back positive.However,he is curious about the sensitivity of the test. $$\begin{array} { | l | c | c | c | } \hline \text { Test } & \text { Disease } ( + ) & \text { No disease } ( - ) & \text { Total } \\\hline \text { Positive } ( + ) & 84 & 44 & 128 \\\hline \text { Negative } ( - ) & 36 & 836 & 872 \\\hline \text { Total } & 120 & 880 & 1,000 \\\hline\end{array}$$
Using this table,calculate the sensitivity of the test.

• A) 4%
• B) 33%
• C) 66%
• D) 70%
• E) 96%

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Definitions:

Marginal Product

The additional output produced by adding one more unit of a specific input, holding all other inputs constant.

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent or salaries.

Hail Insurance

A type of insurance policy specifically designed to protect crops from hail damage.

Total Product

The total quantity of output produced by a firm over a given period of time.