Help please....

Local parents and their children were invited to the grand opening of a daycare center. Each of the 155 attendees got to spin a wheel to win a prize. The table below summarizes the data on the attendees and their prizes. Pencil Cup Magnet Parent 21 17 19 Child 33 38 27 Suppose an attendee from the grand opening is chosen at random. Answer each part. Do not round intermediate computations, and round your answers to the nearest hundredth. (If necessary, consult a list of formulas.) (a) What is the probability that the attendee is a child or won a pencil? X 5) Q I] (b) What is the probability that the attendee is a parent, given that the attendee won a cup? I]