Heather has rectangular yard measures it and found out is 24 1/2 feet long by 12 4/5 feet wide. how much much sob will heather need to cover the yard

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.