The Data in the Following Table Show the Outcomes of the Testing

question 91

Multiple Choice

The data in the following table show the outcomes of the testing of an allergy drug on 500 people. $$\begin{array} { l | c | c | c | c } & \begin{array} { c } \text { Allergy } \\\text { drug }\end{array} & \text { Placebo } & \begin{array} { c } \text { Control } \\\text { (no treatment) }\end{array} & \text { Total } \\\hline \text { Improvement } & 145 & 85 & 41 & 271 \\\text { No improvement } & 55 & 115 & 59 & 229 \\\text { Total } & 200 & 200 & 100 & 500\end{array}$$
-What is the probability that a randomly selected person either was given the allergy drug or improved?

• A)0.652
• B)0.625
• C)0.942
• D)0.29

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Definitions:

Arm

A limb on the human body extending from the shoulder to the wrist, including the forearm and upper arm.

Pain

A distressing feeling and emotional response linked to real or possible harm to the body, or defined by reference to such harm.

Anatomic Position

A standardized method of observing or imaging the body that allows precise and consistent anatomical references; typically, the person stands erect with the feet flat and arms at the sides with palms facing forward.

Reference

A reference typically means a mention or a citation of a source of information.