At the Bank of California, past data show that 8% of all credit card holders default at

Question:

At the Bank of California, past data show that 8% of all credit card holders default at some time in their lives. On one recent day, this bank issued 12 credit cards to new customers. Find the probability that of these 12 customers, eventually
a. Exactly 3 will default
b. Exactly 1 will default
c. None will default