a. State the hypotheses. : - Select your answer - : - Select your answer - b. What is the confidence interval estimate of the population mean examination score if a sample of applications provided a sample mean of (to the nearest whole number)? ( , ) c. Use the confidence interval to conduct a hypothesis test. Using , can the assistant dean conclude that the mean examination score for the new freshman applications has changed? - Select your answer - d. What is the -value (to decimals)? (Use Table 1 from Appendix B.)

[he historical mean ot scholarship examination scores tor treshman applications at Western University is 900. A historical population standard deviation o = 180 is assumed known. Each year, the assistant dean uses a sample of applications to determine whether the mean examination score for the new freshman applications has changed. a. State the hypotheses. - Select your answer - w - Select your answer - w b. What is the 95% confidence interval estimate of the population mean examinatio. score if a sample of 200 applications provided a sample mean of = 935 (to the nearest whole number)? ( ' ) c. Use the confidence interval to conduct a hypothesis test. Using a = 0.05, can the assistant dean conclude that the mean examination score for the new freshman applications has changed? - Select your answer - d. What is the p-value (to 4 decimals)? (Use Table 1 from Appendix B.)