At a multi-screen movie theater, two movies begin at 10:00 AM. The first movie is shown every two hours. The second movie is shown every three hours. AT WHAT TIME will both movies be shown together again?

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.