When shooting two free throws, the chance a basketball player makes her first free throw is60%. If she makes the first one, she gains confidence when she takes the second shot, while if she misses the first one, she gets nervous.

If she makes her first free throw, there is an80% chance that she will make her second free throw. If she misses her first free throw, there is only a55%chance that she will make her second free throw.

What is the probability: (Draw a tree diagram)

a. She makes both free throws?

b. She misses both free throws?

c. She makes exactly one of the two free throws?

d. She makes at least one of the free throws?