What type of connection can you make between markups and tips or taxes? What type of connection can you make between markdowns and discounts? Explain your answer. *FREE ANSWER RIGHT HERE!* : Tips or taxes add money to the bill. Mark ups or mark downs can be seen as a sale price. Mark ups add money while Mark downs reduce money owed.

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.