Sue either travels by bus or walks
when she visits the shops.
The probability that she catches
the bus TO the shops is 0.4
The probability that she catches
the bus FROM the shops is 0.7
a) Complete the tree diagram.
b) Show that the probability that Sue
walks at least one way is 0.72
TO the shops
0.4
0.6
Bus
Walks
FROM the shops
0.7
0.3
Bus
Walks
Bus
Walks
Submit Answer
please help !!!
