An economist suspects that chief executive officers (CEOs) of American companies tend to be taller than the national average height of 69 inches, so she takes a sample of 100 CEOs and
records their height.
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Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?