Questions from General Operations Management

Q: The upper and lower design specification limits for a medical procedure performed

The upper and lower design specification limits for a medical procedure performed by Dr. Muge Yayla Kallu are 15 minutes and 13 minutes, respectively. The process x = 14.5 minutes and  = .2 minutes....

Q: As the supervisor in charge of shipping and receiving, you need

As the supervisor in charge of shipping and receiving, you need to determine the average outgoing quality in a plant where the known incoming lots from your assembly line have an average defective rat...

Q: An acceptance sampling plan has lots of 500 pieces and a sample

An acceptance sampling plan has lots of 500 pieces and a sample size of 60. The number of defects in the sample may not exceed 2. This plan, based on an OC curve, has a probability of .57 of accepting...

Q: The percent defective from an incoming lot is 3%. An OC

The percent defective from an incoming lot is 3%. An OC curve showed the probability of acceptance to be 0.55. Given a lot size of 2,000 and a sample of 100, determine the average outgoing quality in...

Q: In an acceptance sampling plan developed for lots containing 1,000

In an acceptance sampling plan developed for lots containing 1,000 units, the sample size n is 85. The percent defective of the incoming lots is 2%, and the probability of acceptance is 0.64. What is...

Q: Hard Rock brings the concept of the “experience economy” to

Hard Rock brings the concept of the “experience economy” to its cafe operation. The strategy incorporates a unique “experience” into its operations. This innovation is somewhat akin to mass customizat...

Q: IBM asked SMT and one other, much larger company to bid

IBM asked SMT and one other, much larger company to bid on 80 more units of a particular computer product. The request for quote (RFQ) asked that the overall bid be broken down to show the hourly rate...

Q: We want to determine the AOQ for an acceptance sampling plan when

We want to determine the AOQ for an acceptance sampling plan when the quality of the incoming lots in percent defective is 1.5%, and then again when the incoming percent defective is 5%. The sample si...

Q: Sampling four pieces of precision-cut wire (to be used

Sampling four pieces of precision-cut wire (to be used in computer assembly) every hour for the past 24 hours has produced the following results: Develop appropriate control charts and determine wheth...

Q: Auto pistons at Wemming Chung’s plant in Shanghai are produced in a

Auto pistons at Wemming Chung’s plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons pr...