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 did not improve?
A)0.784
B)0.748
C)0.11
D)0.858

Question

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 did not improve?
A)0.784
B)0.748
C)0.11
D)0.858

Quizplus · Accepted Answer

The Answer of 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 did not improve?
A)0.784
B)0.748
C)0.11
D)0.858

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