Select the statement that is true.
0.688 0.602
0.688 = 0.602
0.602 > 0.688

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?