X/4 > 12 has the same solution set as A. X>48 B. X>16 C. X>3 D. X<48

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?