2.) Ms. Baker is out today. When she returns she hopes to see 100% of her 70 students to have completed and turned their work assigned by the sub. How
many students does Ms. Baker hope have their work assigned by the sub
completed and turned in?

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?