Global survey The marketing research organization GfK Roper conducts a yearly survey on consumer attitudes worldwide. They collect demographic information on the roughly 1500 respondents from each...

Global survey The marketing research organization GfK Roper conducts a yearly survey on consumer attitudes worldwide. They collect demographic information on the roughly 1500 respondents from each country that they survey. Here is a table showing the number of people with various levels of education in five countries:

If we select someone at random from this survey,

 a) what is the probability that the person is from the United States?

b) what is the probability that the person completed his or her education before college?

c) what is the probability that the person is from France or did some post-graduate study?

d) what is the probability that the person is from France and finished only primary school or less?