Plz help need no will give brainleast Caleb is taking comedy classes in New York City. He catches a train in his town at 4:44 p. m. and travels on it for 37.7 miles to Grand Central Terminal in New York City. His train arrives at 5:47 p. m. What is the average speed of the train? Round your answer to the nearest tenth of a mile per hour.

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.