Nicole pushes on a green ball with a mass of one KG for two seconds she then pushes on the same size red ball with a mass of three KG for two seconds she measures the speed of each bar during the two seconds what do you expect your data to reveal

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?