A Basketball Player Has an 80% Chance of Making the First

Multiple Choice

A basketball player has an 80% chance of making the first free-throw he shoots. If he makes the first free-throw shot, then he has a 90% chance of making the second free-throw he shoots. If he
Misses the first free-throw shot, then he only has a 70% chance of making the second free-throw
He shoots. Suppose this player has been awarded two free-throw shots. Find the probability that
He makes at least one of the two shots.

A) 0.72
B) 0.86
C) 0.94
D) 0.80