A sample of size n = 38 has sample mean x = 54 and sample standard deviation s = 9.6. Part: 0 / 2 Part 1 of 2 (a) Construct a 98% confidence interval for the population mean u. Enter the values for the lower and upper limits and the mean to graph. Round the answers to one decimal place. 98% confidence interval 45.0 64.0 54.5 45.0 64.0 XFake Twitter followers: Many celebrities and public figures have Twitter accounts with large numbers of followers. However, some of these followers are fake, resulting from accounts generated by spamming computers. In a sample of SS twitter audits, the mean percentage of fake followers was 14.3 with a standard deviation of 10.3 . Part: 0/ 2 Part 1 of 2 (a) Construct a 95% confidence interval for the mean percentage of fake Twitter followers. Round the answers to at least one decimal place. A 95% confidence interval for the mean percentage of fake Twitter followers is l I