One of the band members, Darius, wants to explore the waters of the Great Barrier Reef. Darius is currently -5 feet from the surface of the water and plans to explore a shipwreck that is at -75 feet from the surface. If he moves at a rate of -8 feet per minute, how many minutes does it take Darius to reach the shipwreck? h

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.