A study of the effectiveness of a flu vaccine was conducted with a sample of 503 people.Some participants in the study were given no vaccine,some were given one injection,and some were given two injections.The results of the study are listed in the table. $$\begin{array} { | l | l | l | l | l | }
\hline & \text { No vaccine } & \text { One injection } & \text { Two injections } & \text { Total } \
\hline \text { Flu } & 9 & 5 & 19 & 33 \
\hline \text { No flu } & 148 & 60 & 262 & 470 \
\hline \text { Total } & 157 & 65 & 281 & 503 \
\hline
\end{array}$$
A person is selected at random from the sample.Find the specified probability that the person did not get the flu.Round your anser to one decimal place.
A)81.4%
B)89.4%
C)85.4%
D)77.4%
E)93.4%

Question

A study of the effectiveness of a flu vaccine was conducted with a sample of 503 people.Some participants in the study were given no vaccine,some were given one injection,and some were given two injections.The results of the study are listed in the table. $$\begin{array} { | l | l | l | l | l | } 
\hline & \text { No vaccine } & \text { One injection } & \text { Two injections } & \text { Total } \
\hline \text { Flu } & 9 & 5 & 19 & 33 \
\hline \text { No flu } & 148 & 60 & 262 & 470 \
\hline \text { Total } & 157 & 65 & 281 & 503 \
\hline
\end{array}$$
A person is selected at random from the sample.Find the specified probability that the person did not get the flu.Round your anser to one decimal place.
A)81.4%
B)89.4%
C)85.4%
D)77.4%
E)93.4%

Quizplus · Accepted Answer

The Answer of A study of the effectiveness of a flu vaccine was conducted with a sample of 503 people.Some participants in the study were given no vaccine,some were given one injection,and some were given two injections.The results of the study are listed in the table. $$\begin{array} { | l | l | l | l | l | } 
\hline & \text { No vaccine } & \text { One injection } & \text { Two injections } & \text { Total } \
\hline \text { Flu } & 9 & 5 & 19 & 33 \
\hline \text { No flu } & 148 & 60 & 262 & 470 \
\hline \text { Total } & 157 & 65 & 281 & 503 \
\hline
\end{array}$$
A person is selected at random from the sample.Find the specified probability that the person did not get the flu.Round your anser to one decimal place.
A)81.4%
B)89.4%
C)85.4%
D)77.4%
E)93.4%

A Study of the Effectiveness of a Flu Vaccine Was