The following table shows the starting salaries of a sample of recent business graduates.
$$\begin{array} { c c }
\text { Income In } \$1,000s & \text { Number af Graduate } \
15 - 19 & 40 \
20 - 24 & 60 \
25 - 29 & 80 \
30 - 34 & 18 \
35 - 39 & 2
\end{array}$$
a. What percentage of graduates in the sample had starting salaries of at least $30,000?
b. Of the graduates in the sample, what percentage had starting salaries of less than $25,000?
c. Based on this sample, what percentage of all business graduates do you estimate to have starting salaries of at least $20,000?

Question

The following table shows the starting salaries of a sample of recent business graduates.
 $$\begin{array} { c c } 
\text { Income In } \$1,000s & \text { Number af Graduate } \
15 - 19 & 40 \
20 - 24 & 60 \
25 - 29 & 80 \
30 - 34 & 18 \
35 - 39 & 2
\end{array}$$ 
a. What percentage of graduates in the sample had starting salaries of at least $30,000?
b. Of the graduates in the sample, what percentage had starting salaries of less than $25,000?
c. Based on this sample, what percentage of all business graduates do you estimate to have starting salaries of at least $20,000?

Quizplus · Accepted Answer

The Answer of The following table shows the starting salaries of a sample of recent business graduates.
 $$\begin{array} { c c } 
\text { Income In } \$1,000s & \text { Number af Graduate } \
15 - 19 & 40 \
20 - 24 & 60 \
25 - 29 & 80 \
30 - 34 & 18 \
35 - 39 & 2
\end{array}$$ 
a. What percentage of graduates in the sample had starting salaries of at least $30,000?
b. Of the graduates in the sample, what percentage had starting salaries of less than $25,000?
c. Based on this sample, what percentage of all business graduates do you estimate to have starting salaries of at least $20,000?

The Following Table Shows the Starting Salaries of a Sample