The price of product of a company increases by10% and the turnover increases by 10%. what isthe change in quantity sold? a. 10%b. 8%c. 20%d. no change

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?