Students | HVCC X Bb Homework - Fall 2022 Statistics ( X Bb Take Test: Homework - Chapter 9 X ABP C bbprod.hvcc.edu/webapps/assessment/take/take.jsp?course_assessment_id=_96691_1&course_id=_30920_1&content_id=_2130341_1&question_num_4.x=08... & LE O 9 - Google Search New Tab Google a Amazon.com: Prim... HDMoviesBD.Com |... SolarMovie - Watch... Free Plagiarism Che.. Movieruiz | Watch B... M Gmail YouTube Bookmarks Question Completion Status: An on-line golf discount store receives an average of 6.5 returns per day. For a sample of 12 days, the average number of returns was 5.2 with a standard deviation of 3.2. At the 05 significance level, can we conclude that the mean number of returns is less than 6.5? a. Enter the letter corresponding to the correct null and alternate hypotheses. A. Ho: H 2 6.5 returns H1: u 6.5 returns C. Ho H = 6.5 returns H1: u # 6.5 returns b. What is the level of significance? c. Which test statistic will be used, z or t? d. Enter the letter corresponding to the correct decision rule? A. Reject Ho if z > 1.645 B. Reject Ho if t 1.796 e. Calculate the value of the test statistic. Round your answer to three decimal places. 1. Enter the letter corresponding to the correct decision regarding the null hypothesis. A. Reject Ho B. Do not reject Ho g. Enter the letter corresponding to the correct answer to the question asked in the problem. A. No, the mean number of returns is not less than 6.5. B. Yes, the mean number of returns is less than 6.5 Search 10:07 PM 11/12/20229 HD - 1080