Question 1 .2 out of 2 points In minimization LP problems the feasible region is always below the resource constraints. Answer Selected Answer: False Correct Answer: False . Question 2 .2 out of 2 points A linear programming problem may have more than one set of solutions. Answer Selected Answer: True Correct Answer: True . Question 3 .2 out of 2 points If the objective function is parallel to a constraint, the constraint is infeasible.
Quiz 3 Question 1 | | | Surplus variables are only associated with minimization problems. Answer | | | | | | | Correct Answer: | False | | | | | Question 2 | | | A feasible solution violates at least one of the constraints. Answer | | | | | | | Correct Answer: | False | | | | | Question 3 | | | A linear programming model consists of only decision variables and constraints. Answer | | | | | | | Correct Answer: | False | | | | | Question 4 | | | Graphical solutions to linear programming problems have an infinite number of possible objective function lines. Answer | | | | | | | Correct Answer: | True | | | | | Question 5 | | | If the objective function is parallel to a constraint, the constraint is infeasible.
Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | * Question 6 2 out of 2 points | | | The Hurwicz criterion is a compromise between the maximax and maximin criteria. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | * Question 7 2 out of 2 points | | | Using the minimax regret criterion, we first construct a table of regrets. Subsequently, for each possible decision, we look across the states of nature and make a note of the maximum regret possible for that decision. We then pick the decision with the largest maximum regret. Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | * Question 8 2 out of 2 points | | | The chi-square test is a statistical test to see if an observed data fit a
Question 1 2 out of 2 points A linear programming problem may have more than one set of solutions. Answer Selected Answer: True Correct Answer: True Question 2 2 out of 2 points A feasible solution violates at least one of the constraints. Answer Selected Answer: False Correct Answer: False Question 3 2 out of 2 points If the objective function is parallel to a constraint, the constraint is infeasible. Answer Selected Answer: False Correct Answer: False Question 4 2 out of 2 points In minimization LP problems the feasible region is always below the resource constraints. Answer Selected Answer: False Correct Answer: False Question 5 2 out of 2 points If the objective function is parallel to a constraint, the constraint is infeasible.
Question 1 0 out of 2 points | | | Product mix problems cannot have "greater than or equal to" (≥) constraints. Answer | | | | | Selected Answer: | True | Correct Answer: | False | | | | | Question 2 0 out of 2 points | | | Fractional relationships between variables are permitted in the standard form of a linear program. Answer | | | | | Selected Answer: | True | Correct Answer: | False | | | | | Question 3 2 out of 2 points | | | In a media selection problem, instead of having an objective of maximizing profit or minimizing cost, generally the objective is to maximize the audience exposure. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 4 0 out of 2 points | | | In a transportation problem, a demand constraint (the amount of product demanded at a given destination) is a less-than-or equal-to constraint (≤). Answer | | | | | Selected Answer: | True | Correct Answer: | False | | | | | Question 5 2 out of 2 points | | | A systematic approach to model formulation is to first construct the objective function before determining the decision variables.
------------------------------------------------- Chapter 6 Foundations of Business Intelligence: Databases and Information Management True-False Questions 1. | A grouping of characters into a word, a group of words, or a complete number is called a record. Answer: False Difficulty: Easy Reference: p. 226 | 2. | Each characteristic or quality describing a particular entity is called an attribute. Answer: True Difficulty: Easy Reference: pp.
Question 1 2 out of 2 points Fixed cost is the difference between total cost and total variable cost. Answer Selected Answer: True Correct Answer: True Question 2 2 out of 2 points Parameters are known, constant values that are usually coefficients of variables in equations. Answer Selected Answer: True Correct Answer: True Question 3 2 out of 2 points In general, an increase in price increases the break even point if all costs are held constant. Answer Selected Answer: False Correct Answer: False Question 4 2 out of 2 points Probabilistic techniques assume that no uncertainty exists in model parameters. Answer Selected Answer: False Correct Answer: False Question 5 0 out of 2 points If events A and B are independent, then P(A|B) = P(B|A).
Correct Answer: past experience • Question 6 0.2 out of 0.2 points The shortcuts or rules of thumb that people use to make judgments and decisions quickly and efficiently are called Correct Answer: judgmental heuristics. • Question 7 0 out of 0.2 points What kind of attributions do people most often make about others? Correct Answer: internal • Question 8 0.2 out of 0.2
Responses at L1 and L2 are likely to be characterised by limited range/depth of support and/or lack of focus on the question. Level 2 answers are likely to offer an accurate description of the financial expedients adopted while those at L3 will have adequate focus and support, despite some narrative or descriptive passages. Responses at this level will clearly address either ‘the degree of achievement’ or ‘resentment’. At L4 candidates will demonstrate awareness that more than one judgement is possible on one or both of these issues, by presenting alternative arguments, while those at L5 will be able to develop these into a balanced judgement by evaluating, adjudicating between, and/or reconciling, different views on both
Research evidence by Glanzer et al demonstrated support for the STM and LTM being different stores. Participants were tasked with recalling word lists with earlier and later words more likely to be re- called and this was known as the primacy and recency effect. This Primacy effect occurs as the first words are transferred to LTM while the Recency effect occurs as the last words are still within the STM. Delays of 10 seconds or more before recall resulted in only a primacy effect with only LTM affected. This highlighted the difference in STM and LTM supporting the multi-store memory model theory.