Question

CompuTrade, an online stock-trading service, has over 25,000 clients. To estimate the average number of trades made last month by CompuTrade’s clients, you take a simple random of 250 clients and find the average number of trades in the sample is 45.8, with a sample standard deviation of 12.3. Show the appropriate 95% confidence interval for the population of CompuTrade’s clients.


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  • CreatedJuly 16, 2015
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