An astronaut has successfully landed on Mars​ and is standing on the equator. Find the distance along an arc of the surface of Mars​ that subtends a central angle of 55​ \text{\, minutes}minutes​ if the radius of Mars​ is 21062106​ \text{miles}miles​ and 1 \text{\, minute}=\frac{1}{60} \text{\, degrees}1minute=601​degrees​. Round your answer to one decimal place.

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.