Questions from General Operations Management

Q: A process at Amit Eynan Bottling Company that is considered in control

A process at Amit Eynan Bottling Company that is considered in control measures liquid in ounces. Below are the last 12 samples taken. The sample size = 4. a) What are the control limits for the mean...

Q: Your supervisor, Lisa Lehmann, has asked that you report on

Your supervisor, Lisa Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean weight of 50 grams and a r...

Q: A part at Belleh Fontem Manufacturing requires holes of size .5

A part at Belleh Fontem Manufacturing requires holes of size .5 +- 0.01 inches. The drill bit has a stated size of .5 +- 0.005 inches and wears at the rate of .00017 inches per hole drilled. Give the...

Q: François Caron is considering developing an app for a week-long

François Caron is considering developing an app for a week-long music festival in southern France, which will have 18 stages on a 2 km2 land and around 200 performers. It generally attrac...

Q: Micro laboratories have decided to develop a quality control program. The

Micro laboratories have decided to develop a quality control program. The semiconductor parts that it gets from suppliers are either good or defective. The total number of semiconductors in every samp...

Q: The smallest defect in a computer chip will render the entire chip

The smallest defect in a computer chip will render the entire chip worthless. Therefore, tight quality control measures must be established to monitor these chips. In the past, the percent defective a...

Q: Daily samples of 100 power drills are removed from the assembly line

Daily samples of 100 power drills are removed from the assembly line at Drills by Stergios Fotopoulos and inspected for defects. Over the past 21 days, the following information has been gathered. Dev...

Q: In order to monitor the allocation of patrol cars and other police

In order to monitor the allocation of patrol cars and other police resources, the local police chief, Timothy Kraft, collects data on the incidence of crime by city sector. The city is divided into te...

Q: Rosters Chicken advertises “lite” chicken with 30% fewer calories

Rosters Chicken advertises “lite” chicken with 30% fewer calories than standard chicken. When the process for “lite” chicken breast production is in control, the average chicken breast contains 420 ca...

Q: The difference between the upper specification and the lower specification for a

The difference between the upper specification and the lower specification for a process is 0.6". The standard deviation is 0.1". What is the process capability ratio, Cp? Interpret this number.