Mimi is planning to run a marathon. To prepare for the race, she will follow the schedule below. She plans on
running 11 hours per week. How many hours will
she run each day?

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.