Math Solutions

[Steps Shown] The SEC requires companies to file annual reports concerning their financial status. It is impossible to audit every account receivable. Suppose

Question: The SEC requires companies to file annual reports concerning their financial status. It is impossible to audit every account receivable. Suppose we audit a random sample of 49 accounts receivable invoices and find a sample average of $128 and a sample standard deviation of $53

  1. Find a 99% confidence interval for the mean size of an accounts receivable invoice. Does your answer require that the sizes of the accounts receivable invoices follow a normal distribution?

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