Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The table below shows the soft drinks preferences of people in three age groups. $$\begin{array} { r | c c c }
& \text { cola } & \text { root beer } & \text { lemon-lime } \
\hline \text { under 21 years of age } & 40 & 25 & 20 \
\text { between 21 and 40 } & 35 & 20 & 30 \
\text { over 40 years of age } & 20 & 30 & 35
\end{array}$$
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks cola.
A) $\frac { 4 } { 51 }$

B) $\frac { 4 } { 17 }$

C) $\frac { 4 } { 19 }$

D) None of the above is correct.

Question

Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The table below shows the soft drinks preferences of people in three age groups. $$\begin{array} { r | c c c } 
& \text { cola } & \text { root beer } & \text { lemon-lime } \
\hline \text { under 21 years of age } & 40 & 25 & 20 \
\text { between 21 and 40 } & 35 & 20 & 30 \
\text { over 40 years of age } & 20 & 30 & 35
\end{array}$$ 
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks cola. 
A) $\frac { 4 } { 51 }$

B) $\frac { 4 } { 17 }$

C) $\frac { 4 } { 19 }$

D) None of the above is correct.

Quizplus · Accepted Answer

The probability that the person is over 40 is $\frac { 85 } { 255 }$. The probability that the person drinks cola is $\frac { 20 } { 85 }$. The probability that the person is over 40 and drinks cola is $\frac { 20 } { 255 } = \frac { 4 } { 51 }$.

Find the Indicated Probability If One of the 255 Subjects Is Randomly Selected, Find