Discrete Random Variables: Videos & Practice Problems

A bank teller can serve a maximum of $3$ clients per minute. The average number of clients arriving is $4$ per minute. Create a table showing the number of clients waiting at the end of each minute for $15$ minutes and answer the following question. What is the number of clients waiting at the end of the $15$^th minute if the arrivals each minute are: $5$, $2$, $4$, $6$, $3$, $5$, $2$, $7$, $4$, $3$, $6$, $5$, $3$, $4$, $5$?