PTU M.Tech Paper 2012 Quantitative Methods Operation Research Punjab Technical University Exam 2012 Quantitative Methods Operation Research Test September and March Question Paper Free Download Punjab Technical University Quantitative Methods Operation Research Question Papers 2012 PTU M.Tech Question Paper 2012 for all students Previous Year old Past Papers of PTU M.Tech Paper 2012 Quantitative Methods Operation Research Punjab Technical University September 2012 and March 2012 Exam M.Tech Sample Model Question Papers Free Download PDF
Quantitative Methods Operation Research
Q 5) Arrivals at a telephone booth are considered to be Poisson with an average time of 13 minutes between one’ arrival and the next. The length of a phone call is assumed to be distributed exponentially with mean 5 minutes.
(a) What is the probability that an arrival will have to wait more than 9 minutes before the phone is free?
(b) What is the probability that it vill take him more than 9 minutes altogether to wait for phone and complete his call?
(c) Estimate the fraction of a day that the phone will be in use.
(d) Find the average number of units in the system.
Find the probability that there will be 5 or more units waiting for the call.
Q 6) (a) Write short notes on the following:
(i) Areas of application of operation research.
(ii) Role of constraints and objectives in the construction of mathematical models
(b) Discuss Brown’s algorithm.
PTU M.Tech Paper 2012 Quantitative Methods Operation Research