May you help me please :) Determine the critical path of the following table.ActivityDescriptionPredecessorDuration HoursAProject startnoneBBuy Materials for AA30Buy Materials for BBuild AA20DВ, С30EBuild BВ, С20FPolish and finish BE15GJoin A and BD, F20Project finishHGA, C, E, F, G, HA, C, D, G, HA, B, E, F, G, HaA, B, D, G, H

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Answered: Determine the critical path of the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A line of LRT with five (5) stations will be constructed in a city. A forecast passenger demand is given below: Depart Station Boarding Station 1 2 3 4 5 1 0 1600 10000 2000 250 2 230 0 11000 2071 230 3 60 1400 0 1500 170 4 250 1700 10400 0 250 5 300 1900 12000 2500 0 (a) Compute the number of passengers between each pair of the stations for both directions.(b) In this LRT project, headway must not be less than 120 seconds and must not be greater than 300 seconds. All stations are designed to cater a train of 6 couches. The capacity of each couch is 280 passengers. Based on the computed maximum passengers in (a), compute headway possibilities and corresponding number of couches per train. You may use rail utilisation factor of 0.75 and load factor of 0.9.
choose one of the following procedures for each of the research scenarios described. In a rural school 202 students from a total school population of 723 suffer from malnutrition while in an urban school, 167 students from a total of 1 001 suffer from malnutrition. A master’s degree student wants to determine whether suffering from malnutrition is dependent on the region (urban versus rural) in which the school is situated.
Assuming Get Food Now achieved 12,000 interactions, how many of these would have resulted in customer being less than satisfied with their first interaction?
An automobile manufacturer obtains the microprocessors used to regulate fuel consumption in its automobiles from three microelectronic firms: A, B, and C. The quality-control department of the company has determined that 3% of the microprocessors produced by firm A are defective, 4% of those produced by firm B are defective, and 1.5% of those produced by firm C are defective. Firms A, B, and C supply 35%, 20%, and 45%, respectively, of the microprocessors used by the company. What is the probability that a randomly selected automobile manufactured by the company will have a defective microprocessor?
For the Burger Dome single-channel waiting line, assume that the arrival rate is 1 customer per minute and the mean service rate is 1.25 customers per minute. Compute the following operating characteristics for this queuing system: P0, Lq, L, Wq, and W.
***I want the solution for the sub-parts D & E*** Max. Speed group A Max. Speed group B 101.98 99.45 96.45 99.28 96.28 100.25 100.95 101.14 95.23 98.6 104.78 98.44 98.57 99.82 99.23 100.43 95.89 100.95 98.34 99.34 100.38 100.31 101.56 99.82 101.91 100.25 92.91 99.67 103.36 99.74 106.96 100.61 101.93 100.24 98.1 99.98 97.79 99.49 95.85 99.37 102 100.26 97.46 98.69 98.45 100.49 99.45 99.68 100.42 100.14 97.31 100.02 98.17 100.3 99 99.82 99.19 99.23 99.71 99.36 99.14 100.55 104.2 99.63 99.11 100.93 102.45 99.02 100.16 99.87 102.71 99.73 92.55 99.42 99.66 99.88 98.59 99.62 98.14 100.31 106.67 100.21 92.59 99.2 100.92 99.42 98.13 100.48 103.61 100.08 101.15 99.56 97.81 100.35 100.1 99.56 98.47 100.24 101.09 99.8
If dfBetween = 3, dfWithin = 10, MSWithin = 34.19, MSBetween = 2.11, and α = .01 and two groups have three cases and two groups have four cases, what is Tukey's HSD value? (One will need to refer to a Tukey table of critical values to solve this.)
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A factory uses three production lines to manufacture cans of a certain type. The accompanying table gives percentages of nonconforming cans, categorized by type of non-conformance for each of the three lines during a particular time period. During this time period, line 1 produced 100 non-conforming cans, line 2 produced 100 such cans, and line 3 was responsible for 300 non-conforming cans. A Quality Control person picks up a non-conforming can produced by one of the three lines. What is the probability that the can was produced by Line 1? (State your answer as a decimal accurate to three decimal places). Line 1 Line 2 Line 3 Blemish 15% 12% 20% Crack 50% 44% 40% Pull-Tab Problem 21% 28% 24% Surface Defect 10% 8% 15% Other 4% 8% 1%
A marketing research group conducting a telephone survey must contact at least 150 wives and 120 husbands. It costs P100 to make a daytime call and (because of higher labor costs) P150 to make an evening call. On average, daytime calls reach wives 30% of the time, husbands 10% of the time, and neither of these 60% of the time, whereas evening calls reach wives 30% of the time, husbands 30% of the time, and neither of these 40% of the time. Staffing considerations mean that daytime calls must be less than or equal to half of the total calls made. How many should be interviewed at each period to minimize the cost of completing the survey? fomulate the LP Model; identify the decision variables used in the model; and determine the optimal solution using graphical method.
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