APPLICATIONS 8.40 According to the 2015 Physician Compensation Report by Medscape (a subsidiary of WebMD), American orthopedists earned an average of $421,000 in 2014. Suppose that this mean is based on a random sample of 200 American orthopaedists, and the standard devi- ation for this sample is $90,000. Make a 90% confidence interval for the population mean u. 8.41 Almost all employees working for financial companies in New