To help with preparations, a couple has devised a project network to describe the activities that must be completed by their wedding date. In addition, they have estimated the time of each activity (in weeks).StartABсDEActivity ABCDEFGHTime 5 36 6 6 3 11 9F(e) What is the schedule for activity E (in weeks)?week(s)Earliest StartLatest Startweek(s)Earliest Finishweek(s)Latest Finishweek(s)G(a) Identify the critical path. (Enter your answers as a comma-separated list.)(b) How much time (in weeks) will be needed to complete this project?week(s)HFinishD(c) Can activity D be delayed without delaying the entire project? If so, by how many weeks? (If the activity can not be delayed, enter 0.)week(s)(d) Can activity C be delayed without delaying the entire project? If so, by how many weeks? (If the activity can not be delayed, enter 0.)week(s)

ActivityABCDEFGHTime (weeks)536663119

Answered: To help with preparations, a couple has…

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 parent downloads an app that allows him to monitor the amount of screen time his child is using on the phone. The child claims that she is only using 1 hour per day on the phone on average, but the app, over the course of 47 days, finds that the child used an average of 1.2 hours per day. The parent wants to know if the child is using an average of 1 hour per day for all days of use. a) The 1.2 is a/an: variable population parameter sample statistic observational unit b) The sample size is: 1 47 1.2 c) Each day is a/an: population parameter observational unit variable sample statistic
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[PERT] start 9 O 30 months, 20 months O 32 months, 20 months O 33 months, 17 months O 30 months, 17 months 8 00 O 32 months, 17 months TIME 2 5 10 3 McDonalds is trying to develop a new pumpkin-spice hamburger for the Fall season. The above PERT chart shows the different tasks they need to complete from ideation (A) to commercialization (H), the lengths each will take in months, and the dependencies between tasks. How long is the critical path according to the PERT chart? How long is the shortest path according to the PERT chart? 3 end H
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Students in 5 different 2nd grade classes are timed to see how long it takes to correctly answer 50 addition and subtraction problems. Each class was then taught a different strategy for basic arithmetic for one month. After the month, the students were again timed to see how long it takes to correctly answer 50 similar problems. The dot plots below show the differences in times for the students (difference after before) for each of the five classes. Which dot plot appears to indicate an improvement in time for the class? A B C D 3 -4 000 · goods goxxcomm 0 ... 8.00 88 888 8 8 8 8 。 8 88 000 0 80 800 -2 0 8 01 cooo 2 08 우 O O +-000 8 08...8.... 0 800 6 8 00 10 12

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