Consider the following work breakdown structure:Start FinishDuration (days)ActivityMoreModeOptimisticPost LikelyPessimisticA12415059B13546066C24587082D34324144What is the estimated expected (mean) time for activity D?Multiple Choice42 days32 days41 days40 days

From given data : Optimistic time for activity D (to) = 32 days Most likely time for activity D (tm)…

Answered: Consider the following work breakdown…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 21P

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China effectively shuts down for two weeks each year and celebrates the lunar new year. How does that resemble (or not) peak season in Western countries?
When the idea first occurred to her, it seemed like such a win-win situation. Now she wasn't so sure. Marge Brygay was a hardworking sales rep for Inspire Learning Corporation, a company intent on becoming the top educational software provider in five years. That newly adopted strategic goal translated into an ambitious, million-dollar sales target for each of Inspire's sales reps. At the beginning of the fiscal year, her share of the sales department's operational goal seemed entirely reasonable to Marge. She believed in Inspire's products. The company had developed innovative, highly regarded math, language, science, and social studies programs for the K— 12 market. What set the software apart was a foundation in truly cutting-edge research. Marge had seen for herself how Inspire programs could engage whole classrooms Of normally unmotivated kids; the significant rise in scores on those increasingly important standardized tests bore Out her subjective impressions. Bur now, just days before the end of the year, Marge's sales were $1,000 short of her million-dollar goal. The sale that would have put her comfortably over the top fell through due to last-minute cuts in one large school system's budget. At first, she was nearly overwhelmed with frustration, but then it occurred to her that if she contributed $1,000 to Central High, the inner-city high school in her territory probably most in need of what she had for sale, they could purchase the software and put her over the top. Her scheme would certainly benefit Central High students. Achieving her sales goal would make Inspire happy, and it wouldn't do her any harm, either professionally or financially. Making the goal would earn her a $10,000 bonus check that would come in handy when the time came to write out that first tuition check for her oldest child, who had just been accepted to a well-known, private university. Initially, it seemed like the perfect solution all the way around. The more she thought about it, however, the more it didn't quite sit well with her conscience. Time was running out. She needed to decide what to do. 1. Donate the $1,000 to Central High, and consider the $10,000 bonus a good return on your investment.

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Consider the following work breakdown structure: Start Finish Duration (days) Activity More Mode Optimistic Post Likely Pessimistic A 1 2 41 50 59 B 1 3 54 60 66 C 2 4 58 70 82 D 3 4 32 41 44 What is the estimated expected (mean) time for activity D? Multiple Choice 42 days 32 days 41 days 40 days