Question: A quality control manager at the Don Mills Electronics Company knows that his company has been making surge protectors with a 10% rate of defective

A quality control manager at the Don Mills Electronics Company knows that his company has been making surge protectors with a 10% rate of defective units. He has instituted several measures designed to lower that defect rate. In a test of 20 randomly selected surge protectors, only one is found to be defective. If the 10% defect rate hasn't changed, find the probability that among 20 units, 1 or none is defective. Based on the result, does it appear that the newly instituted measures are effective?

Step by Step Solution

★★★★★

3.28 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Let x the number of defective items selected n 20 p 10 x 1 Use ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

789-S-J-P-D (1330).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The quality control manager at the Telektronic Company considers production of telephone-answering machines to be "out of control" when the overall rate of defects exceeds 4%. Testing of a random...

As a quality control manager at Texas Instruments, you find that defective calculators have various causes, including worn machinery, human error, bad supplies, and packaging mistreatment. Which of...

The quality control manager at a plant that produces bottled water is setting up a hypothesis test for the amount of water in the bottle, which is supposed to be 750 millilitres. a. What should the...

OPERATIONS MANAGEMENT ASSIGNMENT 6 1 Human resources, project management and operations management are all equally vital to a business's success. Each of these focuses on different areas of the...

The Paradoxical twins: Acme and Omega Electronics In 1986, Technological Products of Erie, Pennsylvania, was bought out by a Cleveland manufacturer. The Cleveland firm had no interest in the...

Instruction: 1. Mention the parties involved in the case, duly identified as plaintiffs or defendants, etc. 2. What is the main controversy that arises in the case. (The controversy It is always that...

Leadership in Organizations Module Three Assignment Essay #1: Case Study: Echo Electronics Paul Sanchez is the production manager for Echo Electronics, a small company that makes and distributes...

The year is 1994, and you have been hired as a marketing consultant to oversee Kellogs expansion into more international markets. a) In the early 90s, Kellogs was looking into expanding into major...

George was in his final year of an MSc Marketing degree. He had booked a meeting with his project tutor in the expectation that having a deadline would concentrate his efforts on identifying a...

What is the difference between disbenefits and costs?

One advantage of dividend reinvestment plans is that they allow shareholders to delay paying taxes

In a certain region, insurance data indicate that 82 percent of drivers have no accidents in a year, 15 percent have exactly 1 accident, and 3 percent have 2 or more accidents. In a random sample of...

Refer to Data Set 21 in Appendix B for the weights (g) of randomly selected quarters that were minted after 1964. the quarters are supposed to have a median weight of 5.670g. Use a 0.01 significance...

Refer to Data Set 16 in Appendix B for the earthquake magnitudes. Use a 0.01 significance level to test the claim that the median is equal to 1.00. Use the Wilcoxon signed-ranks test for the claim...

Refer to Data Set 19 in Appendix B for the amounts (in oz) in cans of regular Coke. The cans are labeled to indicate that the contents are 12 oz of Coke. Use a 0.05 significance level to test the...

Your job pays you only once a year for all the work you did over the previous 12 months. Today, December 31, you just received your salary of $66,000 and you plan to spend all of it. However, you...

Bambino Sporting Goods makes baseball gloves that are very popular in the spring and early summer season. Units sold are anticipated as follows: March 3,600 April 7,600 May 12,200 June 10,200...

help please 10. [-/4.08 Points] DETAILS BBUNDERSTAT12 8.4.010.S. MY NOTES ASK YOUR TEACHER In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of...