A credit card company claims that the mean credit card debt for individuals is greater than 4 900 You want to test this claim

Question

A credit card company claims that the mean credit card debt for individuals is greater than 4 900 You want to test this claim You find that a random sample of 37 cardholders has a mean credit card balance of 5 046 and a standa deviation of 650 At a 0 01 can you support the claim Complete parts a through e below Assume the population is normally distributed 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 OA t t and t U OC t 2 435 c Find the standardized test statistic t t 1 37 Round to two decimal places as needed d Decide whether to reject or fail to reject the null hypothesis OA Reject Ho because the test statistic is not in the rejection region OB Fail to reject Ho because the test statistic is not in the rejection region OC Fail to reject Ho because the test statistic is in the rejection region n Reject Ho because the test statistic is in the rejection region B

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