A customer support center for a computer manufacturer receives an average of 1.5 phone calls every 5 minutes. (9 points) Find the probability that no...

A customer support center for a computer manufacturer receives an average of 1.5 phone calls every 5 minutes. (9 points)

• Find the probability that no calls will arrive during the next 5 minutes. (3 points)
• Find the probability that three or more calls will arrive during the next 5 minutes. (3 points)
• What is the probability that three calls will arrive during the next 10 minutes. (3 points)