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An Investment Company Advertised That Last Year Its Clients, On Average, Made A Profit Of 10 %. Assuming That Average Refers To The Mean, Which Of The Following Claims Must Be True Based On This Information? - Math Discussion

An investment company advertised that last year its clients, on average, made a profit of 10 %. Assuming that average refers to the mean, which of the following claims must be true based on this information?