Can someone please help me figure out this geometry problem. if possible please Write out how you got the answer you got so I can get a better understanding. the question on the side is "what is the degree measure of <JKL?

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.