Use a proportion to find a percent.

what percent of 44 is 11?

a) 26

b) 25

c) 400

d) 11

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?