Write an expression that represents the cost of the admission prices and the concession stand items based on the available information. Let d represent the cost for a large drink and let p represent the cost of the popcorn. The initial expression must include parentheses. Then simplify the expression by using the Distributive Property and combining like terms.

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.