91Ó°ÊÓ

There are $1046$people.

In $2011$, $60\%$approved.

In mid-$2011$, $57\%$approved.

In late $2011$, $42\%$approved.

The sample space for the given statement is,

Let the number of people polled to measure be S.

$n\left(s\right)=1046$

There are $1046$people.

In $2011$, $60\%$approved.

In mid-$2011$, $57\%$approved.

In late $2011$, $42\%$approved.

In late $2011$, $42\%$of people approved.

The proportion of disapproval of mayor ford in late $2011$is,

localid="1648919657772" $$\begin{gathered} 1-0.42=0.58 \\ =58\% \end{gathered}$$

There are $1046$people.

In $2011$, $60\%$approved.

In mid-$2011$, $57\%$approved.

In late $2011$, $42\%$approved.

In late $2011$, $42\%$of people approved.

The people who approved mayor ford from late $2011$is,

$\frac{42}{100}×1046=439\text{people}$

There are $1046$people.

In $2011$, $60\%$approved.

In mid-$2011$, $57\%$approved.

In late $2011$, $42\%$approved.

In mid-$2011$, $57\%$of people approved.

The probability of people who approved mayor ford from mid$2011$

$\frac{57}{100}=0.57$

There are $1046$people.

In $2011$, $60\%$approved.

In mid-$2011$, $57\%$approved.

In late $2011$, $42\%$approved.

In mid-$2011$, $60\%$of people approved.

The probability of people who approved mayor ford from early$2011$

$\frac{60}{100}=0.6$