Karen planted an herb garden in her back yard. This year, she planted 1
2 of her garden with
chives, 1
4 with oregano, and 1
8 with parsley. What portion of the garden is still unplanted?

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?