A company audit showed that of 947 bills that were sent out, 603 were paid on time, 112 were paid up to 30 days late, 61 were paid between 31 and 90 days late, and 171 remained unpaid after 90 days. One bill is selected at random. Part 1 of 2 (a) What is the probability that the bill was paid on time? Round your answer to four decimal places.
