1. During summer weekdays, boats arrive at the inlet drawbridge at a rate of 3 per hour. In a 2-hour period,

a.	What is?= 3 customs/hour
b.	What is? = 5 customers/hour. M=1
c.	Find probability of no units in the system.
d.	Find average number of units in the system.
e.	Find average time in the waiting line.
f.	Find average time in the system.
g.	Find probability that there is one person waiting.
h.	Find probability an arrival will have to wait.