Multiple Choice
TradeLine, is an online stock-trading service.To estimate the average number of trades made last month by TradeLine'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 TradeLine's clients.Report the upper bound for your interval.
A) 44.83
B) 47.32
C) 52.36
D) 48.72
E) 50.33
Correct Answer:
Verified
Correct Answer:
Verified
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