Question

1. In a recent survey of consumer confidence, 160 respondents were classified by their level of education. The results are shown below.

Confidence	Education				Total
	High school	college		university
Low	13	17		15	45
Medium	27	22		13	62
High	32	14		7	53
Total	72	53		35	160

If one of the consumers' surveys is randomly selected, answer the following questions.

1. What is the probability that the respondent has low confidence or has high school education level?      

ii. What is the probability that the respondent has high confidence and has university education level?      

iii. What is the probability that the respondent has high confidence given that the he or she has college education level?   

Answer 1