Claire, Madeline, and James each write the letters of their names on pieces of paper, with one letter on each plece. All the pieces of paper are put into a bag, and they draw one out. The first letter they draw is an "e", and they put it aside. What is the probability that the next letter they draw is a letter found only in Claire's name?
A.2/19
B.1/3
C.0
D.1/9

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.