Problem (3): (2 points), A Bus transport company has three different destinations, D1, D2 and D3. For the D1 destination 5% cancel their tickets one day before the departure date whereas for D2 and D3 the percentages that cancel their tickets one day before the departure are 3% and 7% respectively. Suppose 40% of all the passengers go to destination D1, 30% go to destination D2 and 30% go destination D3. a What is the probability that a passenger cancels his her ticket one day before the departure date?