The table below provides the time stamps for the 8 people who called a reservation desk for a ferry service between 8:00 am and 8:20 am. Based on the data in the table, what is the flow rate of callers?
| Caller | Time in | Time out |
|---|---|---|
| 1 | 8:01 | 8:05 |
| 2 | 8:02 | 8:07 |
| 3 | 8:06 | 8:08 |
| 4 | 8:09 | 8:12 |
| 5 | 8:10 | 8:15 |
| 6 | 8:12 | 8:20 |
| 7 | 8:16 | 8:19 |
| 8 | 8:17 | 8:19 |
Answer: Flow rate is 0.4 callers per minute
Explanation: flow rate = average rate of serving customers per hour= total no. of callers / time taken= 8 / 20 mins= 0.4 callers per minute or 24 callers per hour.
The table below provides the time stamps for the 8 people who called a reservation desk...