A game of carnival has 3 colors green, red, and blue, on a wheel. Blue has 3 sections, red has 2 sections and green has 1 section. Each section of the wheel is the same size

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?