Explanation Given: The given table for all task on painting a room as below, Task Length Dependencies a. Select paint color 2 days b. Calculate square footage of area to be painted 30 minutes c. Buy paint 1 hour a, b d. Buy drop cloths, brushes, rollers, TSP, tape 1 hour e. Wash walls with TSP 2 hours d f. Remove lights, plug covers, and switch covers 30 minutes g. Tape walls and windows alongside trim 1 hour d h. Paint trim 3 hour c, d, e, g i. Let trim paint dry 2 hour h j. Remove wall tape 15 minutes i k. Tape trim alongside walls 1 hour d, i l. Paint walls 3 3 hour c, d, e, f, g, h, k m. Let wall paint dry 2 hour l n. Remove trim tape and window tape 15 minutes m o. Replace lights, plug covers, and switch covers 30 minutes m p. Clean brushes, rollers 30 minutes l q. Dispose of drop cloths, tape 15 minutes n Calculation: Step.1: Find the critical path for given task as follows, As shown in table(1), Tasks a and c, b and c, d and e, d and g, f are parallel tasks. Calculate the time taken by task a and c with the help of given table (1), Tasks a and c takes 2 days and 30 minutes . Calculate the time taken by task b and c with the help of given table (1), Tasks a and c takes 1 hour and 30 minutes

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ISBN: 9781305104174

Author: David B. Johnson, Thomas A. Mowry

Publisher: Cengage Learning

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Chapter 9.5, Problem 2E

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The completion time.

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Solution Summary: The author explains how to determine the completion time for painting a room.

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