Drew Rosen Automation Company estimates the data entry and verifying times for four jobs as follows:In what order should the jobs be done if the company has one operator for each job?The order isChoose the correct graph of the time-phased flow of this job sequence.O A.O C.Job Entry TimeA2.0Job Verify TimeS2.0- IdleBJob Entry TimeA3.43.4 5.4- IdleAJob Verify TimeAB5.65.4CBB1995.8 7.2 8.2D117.9 9.5D1948.0 9.4 10.5C D1119.4 11.7 13.3Q✔QJOBABCDDATA ENTRY (HOURS)2.03.62.31.6B.O D.VERIFY (HOURS)3.42.41.41.0Job Entry TimeAH2.0Job Verify TimeAㅏJob Entry TimeAH2.0Job Verify TimeD, CH3.41.0 2.4B- IdleBB5.6C5.64C, D5.8 7.2 8.2C7.9B7.98.0DD9.59.5A11.4QGQ

Johnson's rule is a method of assigning jobs to minimize the completion time of a set of jobs in 2…

Answered: Drew Rosen Automation Company estimates…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter5: Network Models

Section: Chapter Questions

Problem 1C

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Data Products, Inc., packages and distributes a variety ofpersonal computer-related products. A time study hasbeen conducted for a job packaging 3.5-inch personalcomputer diskettes for shipment to customers. The jobrequires a packager to place 20 diskettes in a rectangularplastic bag, close the bag with a twist tie, and place thefilled bag into a bin, which is replaced by another workerwhen it is filled. The job can be broken into four basic elements. The elemental times (in minutes) were ob-tained from the time study for 10 job cycles shown in the following table. a. Using an allowance factor of 16%, determine the stan-dard time for this job. b. Determine the number of cycles for this time studysuch that the company would be 95% confident that theaverage time from the time study is within 4% of thetrue average cycle time.
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