= Quiz: Homework 6 Question 5 of 7 This quiz: 60 point(s) possible This question: 10 point(s) possible Submit quiz According to an investment firm, the average 401(k) account balance was $95,000 in 2017. To test if this average has recently changed, suppose a sample of 30 401(k) plans was recently selected, and it Question list K was found that the average 401(k) balance was $106, 129. Assume that the population standard deviation is $27,097. Using o = 0.01, complete parts a through d. O Question 1 a. State the null and alternative hypothesis. Let u be the population mean. Determine the null hypothesis, Ho, and the alternative hypothesis, H,. O Question 2 HO - H V H1: H O Question 3 (Type integers or decimals. Do not round. Do not include the $ symbol in your answers.) b. What conclusions can be drawn for this test? O Question 4 Identify the critical value. (Round to two decimal places as needed.) O Question 5 Calculate the appropriate test statistic. z- = (Round to two decimal places as needed.) O Question 6 What is the final conclusion? Question 7 O A. Do not reject Ho- There is not enough evidence to conclude that the average 401(k) account balance has changed from $95,000. O B. Do not reject Ho- There is enough evidence to conclude that the average 401(k) account balance has changed from $95,000. O C. Reject Ho. There is enough evidence to conclude that the average 401(k) account balance has changed from $95,000. Next