Design the network represents the following activities, then find the critical path.M)activityImmediate DurationPredecessor TimeA6B8CA3A4B, D6B,C,D 10E3DEFG

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Answered: Design the network represents 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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The Park family would like to prepare next month's family budget by forecasting its family expenses. The following data show the amount of money spent on food for the last 10 months. Complete parts a through d below. Month Dollars 1 343 2 357 3 294 The best choice is the a) Forecast the family's food expenditures next month using a three-period simple moving average. The forecast for the family's food expenditures next month is $ (Round to the nearest dollar as needed.) b) The forecast for the family's food expenditures next month is $ (Round to the nearest dollar as needed.) d) Which forecast should you choose? Why? 4 336 The forecast for the family's food expenditures next month is $ (Round to the nearest dollar as needed.) c) Forecast the family's food expenditures next month using exponential smoothing with a = 0.1. 5 361 because it has the 6 339 Forecast the family's food expenditures next month using a three-period weighted moving average with weights 0.7, 0.2, and 0.1, applying…
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Recently, you were assigned to manage a project for your company. You have constructed a network diagram depicting the various activities in the project (shown below to the right). In addition, you have asked your team to estimate the amount of time that they would expect each of the activities to take. Their responses are shown in the following table: Time Estimates (days) Activity Optimistic Most Likely A 4 B 3 C D E 4 1 3 8 7 5 4 8 Pessimistic 12 10 8 5 9 Start A B E Finish a. What is the expected completion time of the project? The expected completion time is 19 days. (Enter your response as an integer.) b. What is the probability of completing the project in 21 days? Refer to the standard normal table. The probability of completing the project in 21 days is N (Enter your response rounded to four decimal places.)
Directions: Solve the following problems and answer the following questions. Using appropriate technology is expected. Pay careful attention to requested levels of precision when reporting answers. The management at Fitness Fanatics Gym & Health Club has recently proposed four new levels of memberships: bronze, silver, gold and platinum. They surveyed current members in order to anticipate have they might respond to this change in membership plans. The results indicating their preferred level of membership were as follows: Bronze Silver Gold Platinum 60 40 80 120 The management had previously anticipated that the Bronze and Silver membership levels would each attract half as many members as the Gold and Platinum membership levels. At the 1% level of significance, test the claim that the preferences for membership levels adhered to the anticipated breakdown as the management had initially conjectured.
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Find the solution set for the constraints in the figure below.* 3x + 2y 55 2x + 5y s6 3x -y s1 x 20, y 20 O E
ANSWER #4 npert The table shows the activities that need to be undertaken to complete a certain project as well as the respective times in weeks needed to complete the activities. Also shown are the predecessor activities or the activities that need to be completed before a particular activity may start.
Let s be a person's annual salary (in thousands of dollars) after she has worked for t years at a company. Some pairs of values of t and s are shown in the table below. t (years) 0 1 3 6 s (thousands of dollars) 54 57 63 72 a) Create a scattergram of the data. b) Draw in a linear model on the same grid. c) Use your graph to estimate when the person's salary will be $66 thousand. (Show your work on the graph.) d) What is the s-intercept of the model? Interpret it in terms of this application.
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Design the network represents the following activities, then find the critical path. M) activity Immediate Duration Predecessor Time A 6 B 8 C A 3 A 4 B, D 6 B,C,D 10 E 3 D E F G