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Question
The following table shows the starting salaries of a sample of recent business graduates.| Income (In $1,000s) | Number of Graduates |
| 15 - 19 | 40 |
| 20 - 24 | 60 |
| 25 - 29 | 80 |
| 30 - 34 | 18 |
| 35 - 39 | 2 |
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?
Answer
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