THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a recent survey of consumer confidence,160 respondents were classified by their level of education.The results of the survey are presented below. 
-What proportion of respondents had at least some college education and had high confidence?
Definitions:
Interest Rate
The proportion of a total amount of money that is levied for borrowing it, usually specified as a yearly percentage.
Expected Rate
The anticipated return on an investment, calculated based on historical data or statistical models.
Total Investment
The sum of all expenditures made by a company or individual for acquiring or improving fixed assets, financial assets, and other business interests.
Interest Rate
The cost of borrowing money, typically expressed as a percentage of the principal, charged by lenders to borrowers for the use of funds.
Q25: Thirty percent of all households have a
Q51: In a box of 16 chocolates,there are
Q124: What proportion of respondents had at least
Q129: In an accounting exam,the standard deviation of
Q174: An individual can assign a subjective probability
Q176: A quality control inspector is interested in
Q231: Show that P(A<sub>1</sub> ∣ B<sub>1</sub>)+ P(A<sub>2</sub> ∣
Q266: Given a set of 25 observations,for what
Q275: The interquartile range measures the spread of
Q311: Events A and B are said to