Find the amount paid for the loan.$2000 at 12% for 3 years a lot of people are saying it's 720 and i keep getting that but i'm always wrong! : (

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?