For a sample of 54 discount brokers the average price of a $5,000 trade was $33.77 and the standard deviation was $15. Construct a 90% confidence interval and enter the upper bound for the interval. Hint, your answer should be larger than the one for the previous question since they begin with the same summary data. (Answer to two decimal places and do not include a $ sign).
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Home » Business » For a sample of 54 discount brokers the average price of a $5,000 trade was $33.77 and the standard deviation was $15. Construct a 90% confidence interval and enter the upper bound for the interval.