According to https://www.pewresearch.org/science/2019/11/25/u-s-public-views-on-climate-and-energy/, in a survey of 3,627 randomly selected U.S. adults conducted October 1 to October 19, 2019, approximately 2430 said the federal government is doing too little to reduce the effects of climate change.

a. Construct a 90% confidence interval for the proportion of U.S. adults who think the federal government is doing too little to reduce the effects of climate change. Show your work. Check the conditions first. Show your work

b. Interpret the confidence interval in the context of the problem.