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##### Maths Multiple Choice Questions

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Question;Question 1Arcs in a project network indicate;completion times.precedence relationships.activities.the critical path.;Question 2The critical pathis any path that goes from the starting node to the completion node.is a combination of all paths.is the shortest path.is the longest path.;Question 3Activities following a node;can begin as soon as any activity preceding the node has been completed.have an earliest start time equal to the largest of the earliest finish times for all activities entering the node.have a latest start time equal to the largest of the earliest finish times for all activities entering the node.None of the alternatives is correct.;Question 4Slack equals;LF ? EF.EF + LF.EF ? LS.LF ? ES.;Question 5Activities with zero slack;can be delayed.must be completed first.lie on a critical path.have no predecessors.;Question 6Which of the following is always true about a critical activity;LS = EF.LF = LS.ES = LS.EF = ES.;Question 7;The following schedule of activities applies to a certain project.;ActivityPrecedenceActivitiesTime (weeks);A--5B--4C--8DA, B4EC12FC10GA, D, E3HE0IE, F5;Finish;G, H, I;Use a forward and a backward pass to determine the critical path and project length, and then fill out the table below (copy and paste the table to the answer box).;Activity Precedence Activities Activity Time (weeks) ES LS EF LF SlackA - 5 0 13 5 18 13B - 4 0 14 4 18 14C - 8 0 0 8 8 0D A,B 4 5 18 9 22 13E C 12 8 8 20 20 0F C 10 8 10 18 20 2G A, D, E 3 20 22 23 25 2H E 0 20 25 20 25 5I E, F 5 20 20 25 25 0Finish G,H, I -- -- -- -- --;Question 8state is part of a system.system is in a particular state at a given time.time has reached a steady state.transition will occur.;Question 9;For a situation with weekly dining at either an Italian or Mexican restaurant,the weekly visit is the trial and the restaurant is the state.the weekly visit is the state and the restaurant is the trial.the weekly visit is the trend and the restaurant is the transition.the weekly visit is the transition and the restaurant is the trend.;Question 10A transition probability describes;the probability of a success in repeated, independent trials.the probability a system in a particular state now will be in a specific state next period.the probability of reaching an absorbing state.None of the alternatives is correct.;Question 11The probability of going from state 1 in period 2 to state 4 in period 3 is;p12p23p14p43;Question 12;The probability a system is in a particular state after a large number of periods isindependent of the beginning state of the system.dependent on the beginning state of the system.equal to one half.the same for every ending system;Question 13;The daily price of a farm commodity is up, down, or unchanged from the day before. Analysts predict that if the last price was down, there is a.5 probability the next will be down, and a.4 probability the price will be unchanged. If the last price was unchanged, there is a.35 probability it will be down and a.35 probability it will be up. For prices whose last movement was up, the probabilities of down, unchanged, and up are.1,.3, and.6.a. Construct the matrix of transition probabilities.b. Provide (but do not solve) a system of equations for calculating the steady state probabilities.

Paper#61087 | Written in 18-Jul-2015

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