Find the equation of the straight line that passes through the point (1,1/2) and has slope 1/2. enter the equation in the point-slope form, =

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?