Note More than one statement could be true If none of the st
Note: More than one statement could be true. If none of the statements is true, mark the appropriate box.
Last year at least one of their clients made a profit of more than 5%.
Last year all of their clients made a profit of 7% or more.
Last year fewer than half of their clients made a profit of 7%or less.
Last year some of their clients made a profit of exactly
7%.
Two years ago at least one of their clients made a profit of at least
7%
None of the above statements is true.
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Solution
Last year, the clients of the investment company, on average, made a profit of 7 %. Thus, the mean of the data is 7 % profit. This means that the following statements are true:
A. Last year at least one of their clients made a profit of more than 5%. ( otherwise the mean will not be 7 %)
B. Last year fewer than half of their clients made a profit of 7% or less.( otherwise the mean will not be 7 %)
