A six-sided number cube has odd numbers (1, 3, 5) and even numbers (2, 4, 6). A number simulation performed 1000 rolls and an even number occurred 528 times. What is the margin of error to the nearest tenth of a percent?

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.