Question: Please answer show all working Question 33 4.1. Jed Home Stores analyzed the value of purchases made on Not yet credit card by a random

Please answer show all working

Question 33 4.1. Jed Home Stores analyzed the value of purchases made on Not yet credit card by a random sample of 25 of their credit customers. The answered sample mean was found to be R170, with a sample standard Marked out of deviation of R22. 15.00 Flag question a) Estimate, with 95% confidence, the actual mean value of credit card purchases by all their credit card customers. b) Assume that 46 credit card purchases were sampled. Set 95% confidence limits for the actual mean value of credit card purchases at this home store ( o is unknown)

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