Given the information below, what are the estimated expected (mean) times (in weeks) for activities A-H? What are the estimated standard deviations (in weeks) in the times for activities A-H? ### Project Management Activity Table#### Overview:This table represents a set of activities involved in a project, outlining their respective start and finish nodes, along with duration estimates in terms of optimistic, most likely, and pessimistic days.| Activity | Start Node | Finish Node | Duration Estimate (Days) ||----------|------------|-------------|--------------------------|| | | | Optimistic | Most Likely | Pessimistic || A | 1 | 2 | 9 | 15 | 21 || B | 1 | 3 | 13 | 21 | 33 || C | 2 | 4 | 6 | 9 | 18 || D | 2 | 5 | 23 | 35 | 47 || E | 3 | 5 | 19 | 26 | 27 || F | 4 | 6 | 23 | 29 | 41 || G | 5 | 6 | 14 | 20 | 26 || H | 6 | 7 | 2 | 5 | 8 |#### Explanation of Columns:- **Activity**: The label used to identify each activity.- **Start Node**: The node at which the activity begins.- **Finish Node**: The node at which the activity ends.- **Duration Estimate (Days)**: - **Optimistic**: The minimum time required to complete the activity under ideal conditions. - **Most Likely**: The most realistic time required to complete the activity considering normal constraints and conditions. - **Pessimistic**: The maximum time required to complete the activity under adverse conditions.#### Example Explanation:- **Activity A** starts at Node 1 and finishes at Node 2. The optimistic duration is 9 days, most likely duration is 15 days, and pessimistic duration is 21 days.- **Activity B** starts at Node 1 and finishes at Node 3. The optimistic duration is 13 days, most likely duration is 21 days, and pessimistic duration is 33 days.This table is crucial for project planning and scheduling, allowing for estimation

PERT stands for Program Evaluation and Review Technique. It is a project management method that is…

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Given the information below, what are the estimated expected (mean) times (in weeks) for activities A-H? What are the estimated standard deviations (in weeks) in the times for activities A-H?

Practical Management Science

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ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

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Question

Given the information below, what are the estimated expected (mean) times (in weeks) for activities A-H?

What are the estimated standard deviations (in weeks) in the times for activities A-H?

### Project Management Activity Table

#### Overview:
This table represents a set of activities involved in a project, outlining their respective start and finish nodes, along with duration estimates in terms of optimistic, most likely, and pessimistic days.

| Activity | Start Node | Finish Node | Duration Estimate (Days) |
|----------|------------|-------------|--------------------------|
| | | | Optimistic | Most Likely | Pessimistic |
| A | 1 | 2 | 9 | 15 | 21 |
| B | 1 | 3 | 13 | 21 | 33 |
| C | 2 | 4 | 6 | 9 | 18 |
| D | 2 | 5 | 23 | 35 | 47 |
| E | 3 | 5 | 19 | 26 | 27 |
| F | 4 | 6 | 23 | 29 | 41 |
| G | 5 | 6 | 14 | 20 | 26 |
| H | 6 | 7 | 2 | 5 | 8 |

#### Explanation of Columns:

- **Activity**: The label used to identify each activity.
- **Start Node**: The node at which the activity begins.
- **Finish Node**: The node at which the activity ends.
- **Duration Estimate (Days)**:
- **Optimistic**: The minimum time required to complete the activity under ideal conditions.
- **Most Likely**: The most realistic time required to complete the activity considering normal constraints and conditions.
- **Pessimistic**: The maximum time required to complete the activity under adverse conditions.

#### Example Explanation:
- **Activity A** starts at Node 1 and finishes at Node 2. The optimistic duration is 9 days, most likely duration is 15 days, and pessimistic duration is 21 days.
- **Activity B** starts at Node 1 and finishes at Node 3. The optimistic duration is 13 days, most likely duration is 21 days, and pessimistic duration is 33 days.

This table is crucial for project planning and scheduling, allowing for estimation

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