Sampling and estimation — practice question

For Anya’s journey to school, the chance that she walks is $0.3$ and the chance that she cycles is $0.65$; if she neither walks nor cycles she takes the bus. If Anya walks, the chance that she is late is $0.15$. If she cycles, the chance that she is late is $0.1$, and if she takes the bus, the chance that she is late is $0.6$.