On January 5, we ordered 56 boxes of E-7018 welding rods. On January 14, we ordered 72 boxes of E-6010 welding rods. On January 20 we ordered 34 boxes of E-6011 welding rods. The last order of the month was on January 25, when we ordered 22 boxes of E-6013 welding rods. How many boxes of welding rods did we order this month?

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.