SCS receives on average 1 data package every 1/50 seconds, with a standard deviation of 1/50 seconds, and processes them using its single powerful computing unit, which can process data packages in 1/80 seconds per package (with a standard deviation of 1/160 seconds). Packages will wait indefinitely until they are processed.

1)

What is the average waiting time of a package, in seconds? (Please format your answer as 0.00000)

2)

Suppose utilization increases 10% and everything else remains constant. What is the percent increase in wait time? (Please format your answer as 00.00)