Can someone help?

An investment company advertised that last year its dients, on average, made a profit of 7%. Assuming that average refers to the mean, which of the following claims must be true based on this information? Note: More than one statement could be true. If none of the statements is true, mark the appropriate box. O Last year all of their clients made a profit of at least 7%. X This year at least one of their clients will make a profit of at least 7%. O Last year some of their clients made a profit of exactly 7%. Last year at least one of their clients made a profit of O less than 11%. Last year, the number of their clients who made a profit of less than 7% was equal to the number of their clients who made a profit of more than 7%. None of the above statements are true