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Describe Operation Research and discuss its applications in various organizations.
A company assembles heavy duty refrigerators and uses two types of compressors A & B. Two compressors of ‘A' brand and one compressor of ‘B' brand are used in each type of refrigerator. These compressors are manufactured on two types of machines M1 & M2 Time for A on M, is 2 hours and on M2 it is 3 hours. For B it is 1.5 hours and 2.5 hours respectively. Total machine hours available for M1 per week are 400 and 475 for M2. Profit contribution by A&B are Rs.1500 and Rs. 1200 respectively formulate LP model of the problem.
McColvin's Principles: L.R McColvin advanced his Demand and Supply Theory of Book Selection in 1925. He states, "Books in themselves are nothing. They have no more meaning tha
Reference Books: Definition According to William Katz (1969) a Reference book generally has the following qualities: It is a miscellany of information organised for quick
what happen if line balancing does not exist
Sequential Samplin The previous has shown that the sampling units were drawn prior to the drawing of the actual sample and has a fixed size. But the sequential sa
Question: (a) Distinguish between (i) a single-channel and a multiple-channel waiting line; (ii) a birth and a death process with regard to queueing theory. (b) Explain
Small Sample The central limit theorem does not work well with small samples even if the population in non Gaussian. So we cannot rely on the central limit theorem
advantage of quality circle process
Consider a queueing system with 1 counter, to which groups of customers arrive according to a Poisson proces with intensity l. The size of a group is 1 with probability p and 2 wit
represent a diagrammatic way of components of the os
On the Basis of Ratio of Change Direction a. Linear Correlation: The correlation between two variables a said to be liner if corresponding to a unit change in th
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