Customers arrive according to a Poisson process with = 0,1 x (1 + last two digits of your student id number)per hour. Determine , , L, and w under the following service time distributions:

a) A single server with a constant service time of 10 minutes

b) A single server, Normal (5 min, 4 min)

c) 2 servers, exponential distribution with a mean of 5 minutes, and the shop can hold only 4 customers: two in service and two waiting.

Note :take a random two digit number as id