Petunia bought two plants. She placed the first plant, which was 20 inches tall, on the windowsill. She noticed that the plant was growing at the rate of 1 inch per week.

She placed the second plant, which was 5 inches tall, on the coffee table. She noticed that it was growing at the rate of 2 inches per week.

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.