19. each deli sandwich made uses : - pound of turkey tyler started with 318 pounds of turkey and now has 1 3 pounds left. how many deli sandwiches did he make?

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?