Use the randomization procedure for the indicated exercise.

Data in Section 8-2, Exercise 11

For clothing, the accompanying symbol has been designated to indicate that the product should be dry-cleaned only. In a survey of 2005 Americans, 11% correctly knew what the symbol designated. Use a 0.01 significance level to test the claim that fewer than half of all Americans know what the symbol designates. What do these results suggest about this symbol?