The manager at Gabriel’s Furniture Store is trying to figure out how much to charge for a book shelf that just arrived. The book shelf was bought at wholesale prices of $147.00, and Gabriel’s Furniture Store marks up all furniture by 60%. At what price should the manager sell for the book shelf?

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.