During a typical hour an office receives 13 phone calls. What is the distribution of phone calls in a 5-minute period?

During a typical hour an office receives 13 phone calls. What is the distribution of phone calls in a 5-minute period?

During a typical hour an office receives 13 phone calls. What is the distribution of phone calls in a 5-minute period?
During a typical hour an office receives 13 phone calls. What is the distribution of phone calls in a 5-minute period?