A recipe says that 3 tablespoons of chocolate syrup is added to 1 cup of milk. How many cups of milk are needed for 9 and 15 tablespoons of chocolate syrup? Tablespoons of chocolate syrup Cups of milk 3 1 9 15

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?