Each student in a woodworking class is given a block of wood that weighs 6.5 ounces. Each student has to carve a bird out of the block of wood. The finished carving must weigh less than 5.75 ounces. Which inequality represents all the possible weights (x), in ounces, of the part of the block that was not used for the finished carving?

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.