Help! 80 points! (picture included) If I is || m, find the value of y.

A. 50

B. 5

C. 27

D. 10

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?