2. People were surveyed worldwide, being asked the question "How important is acquiring wealth to you?" Of 1546 respondents in country A, I170 said that it was of more than average importance. In country B, of 1295 respondents, 619 said it was of more than average importance.

a. What proportion thought acquiring wealth was of more than average importance in each country's sample?

b. Create a 99 % confidence interval for the proportion who thought is was of more than average importance in country A. Compare this with a confidence interval for country B's population.

c. Compare this with a confidence interval for country B's population.

d. Create a 99% confidence interval for the difference in the proportions who thought acquiring wealth was of more than average importance between country A and country B.