In an article in the Journal of Advertising, Weinberger and Spotts compare the use of humor in television ads in the United States and the United Kingdom. They found that a substantially greater percentage of U.K. ads use humor (0) Suppose that a random sample of 380 television ads in the United Kingdom reveals that 140 of these ads use humor, Find a point estimate of and a 95 percent confidence interval for the proportion of all UK television ads that use humor. (Round your answers to 3 decimal places.) (p-han) The 95 percent confidence interval is (b) Suppose a random sample of 470 television ads in the United States reveals that 112 of these ads use humor Find a point estimate of and a 95 percent confidence interval for the proportion of all U.S. television ads that use humor (Round your answers to 3 decimal places.) (Dhan The 95 percent confidence interval is (c) Do the confidence intervals you computed in parts a and b suggest that a greater percentage of U.K. ads use humor? the maximum value the UK 95 percent confidence interval is in the confidence interval for the US