A Bus transport company has three different destinations, D$1,$ D$2$ and D$3.$ For the D$1$ destination $5\%$ cancel

their tickets one day before the departure date whereas for D$2$ and D$3$ 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 D$1,30\%$ go to destination D$2$ and $30\%$ go destination D$3.$

a$.$ What is the probability that a passenger cancels his$/$her ticket one day before the departure

date?