Wellplace Insurance Company processes insurance policy applications in batches of $50.$ One day, they had twelve batches to process and, after inspection, it was found that four batches had nonconforming policies. One batch had eight nonconformances, another had one, another had seven, and another had two nonconformance.

What was the proportion nonconforming for each batch? Round your answers to two decimal places.

The proportion nonconforming for the first batch:

The proportion nonconforming for the second batch:

The proportion nonconforming for the third batch:

The proportion nonconforming for the fourth batch:

What was the nonconformance per unit $($NPU$)$ in total for the twelve batches? Round your answer to three decimal places.

Total nonconformances per unit for all batches: