What is the expected time for activity B? What is the variance for activity B? Based on the calculation of estimated times, what is the critical path? What is the estimated time of the critical path?
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Consider the activities, durations, and predecessor relationships in the following network. Draw the network and answer the questions that follow.
|
Activity Description |
Immediate Predecessor(s) |
Optimistic (Weeks) |
Most Likely (Weeks) |
Pessimistic (Weeks) |
|
A |
--- |
4 |
7 |
10 |
|
B |
A |
2 |
8 |
20 |
|
C |
A |
8 |
12 |
16 |
|
D |
B |
1 |
2 |
3 |
|
E |
D, C |
6 |
8 |
22 |
|
F |
C |
2 |
3 |
4 |
|
G |
F |
2 |
2 |
2 |
|
H |
F |
6 |
8 |
10 |
|
I |
E, G, H |
4 |
8 |
12 |
|
J |
I |
1 |
2 |
3 |
- What is the expected time for activity B?
- What is the variance for activity B?
- Based on the calculation of estimated times, what is the critical path?
- What is the estimated time of the critical path?
- What is the activity variance along the critical path?
- What is the probability of completion of the project before week 42?
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- Under what conditions might a firm use multiple forecasting methods?Imagine you work for a breakfast cereal company that makes prepared products that are served cold. Your company wants to introduce a new hot breakfast cereal that would require some minimal preparation by the consumer. 1. How would you propose forecasting initial demand for this product? 2. Identify one quantitative and one qualitative technique. How do the techniques complement each other?A manager has just received an evaluation from an analyst on two potential forecasting alternatives.The analyst is indifferent between the two alternatives, saying that they should be equally effective.Period 1 2 3 4 5 6 7 8 9 10Data 37 39 37 39 45 49 47 49 51 54Alt. 1 36 38 40 42 46 46 46 48 52 55Alt. 2 36 37 38 38 41 52 47 48 52 53a. What would cause the analyst to reach this conclusion?b. What information can you add to enhance the analysis?
- ABC is an online-to-offline platform that sells e-commerce products to offline customers through a network of agents. ABC gives a commission to agents for each sale made. ABC has 4 main product categories: electronics, fashion, supermarket, and others. Please refer to the exhibits for data sets pertaining to the questions below. Today is May 16th. Q : 1. Today is May 16th. We have got the interim result of the sales figures in the first half of May. Typically, the first half of the month constitutes of 40% of sales. Using this assumption, will we reach our May target? What % over the target will we over/under-deliver?answer : over/deliver by ... % of target Using that assumption, which category (or categories) will not reach the targeted sales figures in May?answer : ............Type the correct answer in the box. Spell all words correctly. Peter is assisting with a report that will forecast sales for the next year. He has been asked to collate sales data for the previou different seasons. He understands that will help account for seasonal trends. What kind of sales forecast report is Peter workir Peter is working on a report to forecast sales. Reset Next ntum All rights reserved.Please explain what meant by forecasting with least squares ?
- Explain the importance of Scenario Writing as a forecasting technique.List 3-5 possible changes that Tesla could implement to improve their forecasting accuracy?Centerville Bikes and Stuff (CBS) sells motorcycles and accessories. The number of helmets sold by CBS per week for the past six weeks follows. Week 1 2 3 4 5 6 Value 18 11 14 10 17 12 (b) Develop the three-week moving average for this time series. (Round your answers to two decimal places.) Week Time SeriesValue Forecast 1 18 2 11 3 14 4 10 5 17 6 12 Compute MSE. (Round your answer to two decimal places.) MSE = What is the forecast for week 7? (c)Use ? = 0.2 to compute the exponential smoothing values for the time series. Week Time SeriesValue Forecast 1 18 2 11 3 14 4 10 5 17 6 12 Compute MSE. (Round your answer to two decimal places.) MSE = What is the forecast for week 7? (Round your answer to two decimal places.) (e)Use ? = 0.4 to compute the exponential smoothing values for the time series. Week Time SeriesValue Forecast 1 18 2 11 3 14 4 10 5 17 6 12
- What role does forecasting play in the planning process, and what are some methods and models used for making accurate predictions and projections?My App is a small but growing start-up that sees demand for several of its apps increasing quickly. The table below shows the last six months of downloads. Use a forecast for the first month of 215,000, an initial trend forecast of 50,000, and smoothing parameters of 0.05 for both demand smoothing and trend smoothing. Month (t) Monthly Application Downloads Forecast for Next Month 39:41 Trend 215,000.00 50,000.00 1 200,000 250,020 3 320,000 4 410,000 445,000 6. 496,000 (Round your answers to 2 decimal places.) Complete the table above, filling in the "Forecast for next month" and "Trend" columns, using double exponential smoothing. a. (Round your answers to 2 decimal places.) b. Month 7's forecast is:Explain the steps consists of Collaborative planning, forecasting, and replenishment (CPFR)?