International food survey, part 2.

Look again at the data from the GfK Roper Worldwide survey on food attitudes in Exercise 45.

a) If we select a respondent at random, what’s the probability we choose a person between 13 and 19 years old who agreed with the statement?

b) Among the 13- to 19-year-olds, what is the probability that a person responded “Agree”?

c) What’s the probability that a person who agreed was between 13 and 19?

d) If the person responded “Disagree,” what is the probability that they are at least 50 years old?

e) What’s the probability that a person 50 years or older disagreed?

f) Are response to the question and age independent?