A 2018 poll of 2230 randomly selected U.S. adults found that 39.15% planned to watch at least a"fair amount" of a particular sporting event in 2018. In2014, 45% of U.S. adults reported planning to watch at least a"fair amount."

b.

After conducting the hypothesistest, a further question one might ask is what proportion of all U.S. adults planned to watch at least a"fair amount" of the sporting event in 2018. Use the sample data to construct a 90% confidence interval for the population proportion. How does your confidence interval support your hypothesis testconclusion?