10 Assuming that average refers to the mean which of the fol

10%. 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.

Two years ago some of their clients made a profit of at least 10%.

Last year at least one of their clients made a profit of less than 16%.

Last year all of their clients made a profit of at least 10%.

Last year, the number of their clients who made a profit of 10%or less was equal to the number of their clients who made a profit of 10% or more.

None of the above statements is true.

Solution

Last year at least one of their clients made a profit of less than 16%.