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9 Points: 0.36 of 1 A2015 poll of 2222 randomly selected U.S. adults found that 46.8% planned to watch at least a "fair amount" of a particular sporting event in 2018. In 2014, 53% of US. adults reported planning to watch at least a \"fair amount." a. Does this sample give evidence that the proportion of US. adults who planned to watch the 2018 sportlng event was fess than the proportion who planned to do so in 2014? Use a 0.05 signicance level. b. After conducting the hypothesis test, 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 2013. Use the sampte data to construct a 90% condence interval for the population proportion. How does your condence interval support your hypothesis test oonctuslon'? a. State the null and alternative hypotheses. Let p be the proportion of US. adults that planned to watch at least a "fair amount" of the sporting event. H0: p = 0.53 Ha: p