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E Quiz: 22 Quiz #8 Hypothesis Testing Question 14 of 14 This quiz: 14 point(s) possible This question: 1 point(s) possible Submit quiz A credit
E Quiz: 22 Quiz #8 Hypothesis Testing Question 14 of 14 This quiz: 14 point(s) possible This question: 1 point(s) possible Submit quiz A credit card company claims that the mean credit card debt for individuals is greater than $4,800. You want to test this claim. You find that a random sample of 37 cardholders has a mean credit card balance of $4,993 and a standard deviation of $650. At a = 0.05, can you support the claim? Complete parts (a) through (e) below. Assume the population is normally distributed (a) Write the claim mathematically ematically and identify Ho and Ha Which of the following correctly states Ho and Ha? O A. Ho: H 2 $4,800 B. Ho: HS $4,800 O C. Ho: H > $4,800 Ha: H $4,800 Ha : US $4,800 O D. Ho: H > $4,800 O E. HO: H = $4,800 OF. HO: H = $4,800 Ha: US $4,800 Ha: H # $4,800 Ha: H > $4,800 b) Find the critical value(s) and identify the rejection region(s) What is(are) the critical value(s), to? to = 0 (Use a comma to separate answers as needed. Round to three decimal places as needed.) Determine the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to three decimal places as needed.) O A. t OD. to (c) Find the standardized test statistic t. =(Round to two decimal places as needed.) (N) norido whathar to ro n roient or fail to raiant the mull hunnthecic Submit quiz MacBook Air DD 888 esc F2 F3 FA F7 F8 FO F10 F11 F12 F1 a $ & W # O O delete A NO 6 8 R P W E T 0 Q tab
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