Barges arrive at a certain lock on the Mississippi River at an average rate of two per hour. Using the following uniform variates, simulate the number of barges assuming that 1 day has 12 h of lock operation. Use

Compare the population mean with the mean of the generated hourly arrivals.

u = {0.84,0.47,0.23,0.59,0.10,0.66.0.35,0.14,0.72,0.51,0.88,0.12}