Question: QUESTION 2 (5+ 2.5+5+2.5 = 15 marks) During an audit of XYZ Company, the auditor wishes to estimate the mean outstanding account balance from a

QUESTION 2 (5+ 2.5+5+2.5 = 15 marks) During an audit of XYZ Company, the auditor wishes to estimate the mean outstanding account balance from a sample of 80 accounts. The eighty accounts have a mean value of $87.65 and a standard deviation of $22.38. It can be assumed that the outstanding account balances of Company XYZ are normally distributed. (a) Calculate a 95% confidence interval estimate of the mean outstanding account balance. Show your working and interpret your

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