Simulation & Modelling - Dec 2014
Information Technology (Semester 7)
TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 (a) Explain different steps in Simulation study.(10 marks) 1 (b) How will you validate simulation model?(10 marks) 2 (a) For the following data find the Queue Statstics. (Time in minutes). IAT denote inter arrival time and ST denotes the service time. Assume first customer arrives at time=0.
1,3,5,0,7,1,4,9,8,6,0,9,6,6,7,1,0,4,7,9,2,0,1,4,8(10 marks) 4 (b) Differentiate random variables and random variates. Generate random variates of exponential distribution.(10 marks) 5 (a) Lt X1 represent the average lead time to deliver (in months), and X2 the annual demand, for industrial robots. The following data were available on demand and lead time for last ten years. Estimate the correlation and co-yariance.
Write short notes on any two:
7 (a) Cobweb model.(10 marks) 7 (b) Probability distributions and the process related to them.(10 marks) 7 (c) Need for output Analysis in simulations.(10 marks)