The table shows the political affiliation of voters in one city and their positions on raising taxes. Raising Taxes $$\begin{array} { l | c | c }
& \text { Favour } & \text { Oppose } \
\hline \text { NDP } & 0.12 & 0.31 \
\text { Conservative } & 0.25 & 0.10 \
\text { Other } & 0.15 & 0.07
\end{array}$$ What is the probability that a voter who favours raising taxes is an NDP supporter?
A)0.520
B)0.430
C)0.279
D)0.231
E)0.120

Question

The table shows the political affiliation of voters in one city and their positions on raising taxes. Raising Taxes $$\begin{array} { l | c | c } 
& \text { Favour } & \text { Oppose } \
\hline \text { NDP } & 0.12 & 0.31 \
\text { Conservative } & 0.25 & 0.10 \
\text { Other } & 0.15 & 0.07
\end{array}$$ What is the probability that a voter who favours raising taxes is an NDP supporter?
A)0.520
B)0.430
C)0.279
D)0.231
E)0.120

Quizplus · Accepted Answer

The probability that a voter who favours raising taxes is an NDP supporter is calculated by dividing the probability of being an NDP supporter and favouring raising taxes by the total probability of favouring raising taxes: 0.12 / (0.12 + 0.25 + 0.15) = 0.231.

The Table Shows the Political Affiliation of Voters in One