The dean felt that a professor had graded too harshly, so she wrote a questionnaire to all students asking if they would like
their grades reevaluated. Of those students who received a grade of A, how
you think responded to the dean?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.