What is the probability that the next cyclone to develop in Australian waters will cross the Qld coast

Question

(Apply conditional and total probability).
Condition is cyclones that cross the Qld coast are only generated in the south pacific.

Cyclones generated in Australian waters is 10. Of these 10, 3 are generated in the south pacific. Cyclones that cross Qld coast is 2.

Thanks for everyones help.