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If you could also tell me how you get , t(dt,df) I would appreciate it ! The Chartered Financial Analyst (CFA) designation is fast becoming

If you could also tell me how you get , t(dt,df) I would appreciate it !
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The Chartered Financial Analyst (CFA) designation is fast becoming a requirement for serious investment professionals. Although it requires a successful completion of three levels of grueling exams, it also entails promising careers with lucrative salaries. A student of finance is curious about the average salary of a CFA charterholder. He takes a random sample of 36 recent charterholders and computes a mean salary of $182,000 with a standard deviation of $48,000. Use this sample information to determine the 90% confidence interval for the average salary of a CFA charterholder. Assume that salaries are normally distributed. (You may find it useful to reference the table. Round intermediate calculations to at least 4 decimal places. Round "' value to 3 decimal places and final answers to the nearest whole number.) Confidence interval to

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