91Ó°ÊÓ

a. Three events in the graph are:

1. The individual is male.
2. The individual approves of Mayor Ford.
3. The individuals is from age group $34-44.$

b. The entry $40$means that total $0.40$percentage of individual approves Mayor Ford.

c. Complement of entry $40$means that total $0.60$percentage of individual disapproves Mayor Ford.

d. The entry $30$means that total $0.30$percentages of age groups $18-34$approves Mayor Ford.

e. From the graph we can say that, there are $0.44$percentages of males, out of the males and females.

f. From the graph, we can observe that out of the females, there are $0.63$percentages disapprove of Mayor Ford.

g. From the graph, we can observe that out of the age groups, there are percentages approve of Mayor Ford.

h. From the graph, we can observe that the total percentage of males who approve Mayor Ford is $0.44.$

i. The total percentage which are more than $44$years old

$$\begin{gathered} =\frac{226+268+331}{1045} \\ =\frac{825}{1045} \\ =0.7895 \end{gathered}$$

Hence, the total percentage which is more than $44$years old is $0.7835.$

j. From the graph, we can observe that there is total $0.30$percentage of those individuals are present in the age less than$35$ and approve Mayor Ford.

Hence, $\mathrm{P}(Approveâˆ\pounds age<35)=0.30$.