Jessica buys a lamp that costs $35 and a table that costs $75.00. if the tax rate is 10%, what will be the total cost of the lamp and table?

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?