David's Gasoline Station Offers 4 Cents Off Per Gallon If

Multiple Choice

David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period,15 customers buy gasoline at this station. What is the probability that at least 10 pay in cash?

A) 0.024
B) 0.033
C) 0.009
D) 0.976