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Sampling Decision
Sampling may be defined as the selection some part of an aggregate or totality on the basis of which a judgment or inference about the aggregate or totality is made.
In other words it is the process of obtaining information about an entire population by examining only a part of it. In most of research work and surveys the usual approach happens to be to make generalizations or to draw inferences based on samples about the parameters of population from which the samples are taken.
Question : Suppose that you want to invest $10000 in the stock market by buying shares in one of two companies: A and B. Shares in Company A are risky but could yield a 50% ret
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
Short Define operations research as a decision-making science
Other Determinants of Sample Size 1. The variability of elements within the population has become a very important factor to decide the sample size. The more v
Telephone calls arrive at a switchboard in a Poisson process at the rate of 2 per minute. A random one-tenth of the calls are long distance. (a) What is the probability of at least
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Discuss the methodology of operation research
Example 2 Max Z = 3x 1 - x 2 Subject to 2x 1 + x 2 ≥ 2 x 1 + 3x 2 ≤ 3 x 2 ≤ 4 & x 1 ≥ 0, x 2 ≥ 0 A
For every LP formulation there exists another unique linear programming formulation called the 'Dual' (the original formulation is called the 'Primal'). Same data
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