Underpaid In a Gallup poll of 557 randomly selected adults, 284 said that they were underpaid.

a. Identify the best point estimate of the percentage of all adults who say that they are underpaid.

b. Construct a 95% confidence interval estimate of the percentage of all adults who say that they are underpaid.

c. Can we safely conclude that the majority of adults say that they are underpaid?