It would be 6/21 but simplified it would be 2/7
Experiental probability is the correct choice because you will have actual data from an experiment that you are using to create the ratio of outcomes to attempts. This is the scientific and mathematical name for a tested ratio. Theoretical probability, on the other hand, is what you would expect to happen if you were to perform the test.
The construction crew took
days to build
miles of road.
Therefore, in 1 day, the crew built
miles of road
=
miles of road
Thus, the required rate is
miles or
miles per day.
I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.