Questions from General Operations Management

Q: The Good Chocolate Company makes a variety of chocolate candies, including

The Good Chocolate Company makes a variety of chocolate candies, including a 12-ounce chocolate bar (340 grams) and a box of six 1-ounce chocolate bars (170 grams). a. Specifications for the 12-ounce...

Q: Many organizations use the same process capability standard for all their products

Many organizations use the same process capability standard for all their products or services (e.g., 1.33), but some companies use multiple standards: different standards for different products or se...

Q: The following is a control chart for the average number of minor

The following is a control chart for the average number of minor errors in 22 service reports. What can you conclude from these data? Explain how you reached your conclusion

Q: Use the three-step process described in the previous section on

Use the three-step process described in the previous section on Using Control Charts and Runs Tests Together to decide if the following observations represent a process that is in control.

Q: Specifications for a part for a DVD player state that the part

Specifications for a part for a DVD player state that the part should weigh between 24 and 25 ounces. The process that produces the parts has a mean of 24.5 ounces and a standard deviation of .2 ounce...

Q: A production process consists of a three-step operation. The

A production process consists of a three-step operation. The scrap rate is 10 percent for the first step and 6 percent for the other two steps. a. If the desired daily output is 450 units, how many un...

Q: An automatic filling machine is used to fill 1-liter bottles

An automatic filling machine is used to fill 1-liter bottles of cola. The machine’s output is approximately normal with a mean of 1.0 liter and a standard deviation of .01 liter. Output is monitored u...

Q: The time to replace vehicle wiper blades at a service center was

The time to replace vehicle wiper blades at a service center was monitored using a mean and a range chart. Six samples of n = 20 observations were obtained and the sample means and ranges computed:...

Q: The City Transportation Planning Committee must decide whether to begin a long

The City Transportation Planning Committee must decide whether to begin a long-term project tobuild a subway system or to upgrade the present bus service. Suppose you are an expert in fixed path and v...

Q: Who needs to be involved in inventory decisions involving holding costs?

Who needs to be involved in inventory decisions involving holding costs? Setting inventory levels? Quantity discount purchases?