while shooting Baskets at a basketball hoop you make 36 out of 80 shots your friend makes 43.75 percent of the shots who made a higher percent

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?