In 2016, the Pew Research Center conducted a survey of 1,004 Canadians and 1,003 Americans to assess their opinion of climate change. The data show that 51% of Canadians and 45% of Americans believe climate change is a very serious problem.
1. Estimate the proportion of all Canadians who believe climate change is a very serious problem at the 95% confidence interval.
2. Estimate the proportion of all Americans who believe climate change is a very serious problem at the 95% confidence interval.
3. Would you be confident in reporting that the majority (51% or higher) of Canadians and Americans believe climate change is a very serious problem? Explain.