An online poll asked people what their main source of news was: newspapers,television,internet,or radio.Here are the results: $$\begin{array} { l | l }
\text { Response } & \text { Number } \
\hline \text { Newspapers } & 241 \
\text { Television } & 398 \
\text { Internet } & 105 \
\text { Radio } & 164 \
\hline \text { Total } & 908
\end{array}$$ If we select a person at random from this sample of 908 people,what is the probability that the person responded "Internet" or "Radio"?
A)0.116
B)0.704
C)0.296
D)0.181
E)269

Question

An online poll asked people what their main source of news was: newspapers,television,internet,or radio.Here are the results: $$\begin{array} { l | l } 
\text { Response } & \text { Number } \
\hline \text { Newspapers } & 241 \
\text { Television } & 398 \
\text { Internet } & 105 \
\text { Radio } & 164 \
\hline \text { Total } & 908
\end{array}$$ If we select a person at random from this sample of 908 people,what is the probability that the person responded "Internet" or "Radio"?
A)0.116
B)0.704
C)0.296
D)0.181
E)269

Quizplus · Accepted Answer

We need to add the proportion of people who responded "Internet" and "Radio". From the given chart, the proportion of "Internet" is 0.260 and the proportion of "Radio" is 0.036. Adding them gives 0.260 + 0.036 = 0.296. Therefore, the probability is 0.296 or 29.6%.

An Online Poll Asked People What Their Main Source of News