Question

A factory has a machine which measures the thickness of washers and classifies them as defective...

A factory has a machine which measures the thickness of washers and classifies them as defective or satisfactory. The machine can make two type of error. On average, it classifies 1 out of every 100 defective washers as satisfactory and it classifies 3 out of every 100 satisfactory washers as defective. 5% of the washers produced are, in fact, defective.

(a) the expected proportion of washers classified as satisfactory by the machine; (b) the expected proportion of those washers classified by the machine as satisfactory which will, in fact, be defective.

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
21)____________     A washing machine manufacturer says that 85% of its washers last five years                         
21)____________     A washing machine manufacturer says that 85% of its washers last five years                                           before repairs are necessary. A random sample of 100 washers showed that 79 of 22)____________     them lasted five years before they needed repair. Test to see if there is a                                           difference between the manufacturer claim and the sample results. List the 23)____________     21) test statistic     22) p-value     23) Does this data indicate that the                                   manufacturer’s claim is too high or too low? (yes...
An automatic CNC machine produces bolts which are stamped out of a length of metal. Various...
An automatic CNC machine produces bolts which are stamped out of a length of metal. Various faults may generally occur during the production process, such as, the heads or the threads may be incorrectly formed, the length might be incorrect, and so on. Assuming that 4 bolts out of every 100 produced are defective in some way. If a sample of 50 bolts is drawn at random, then the manufacturer might be satisfied that his defect rate is still 4%...
A small factory is considering replacing an existing machine with a newer, more efficient one. Research...
A small factory is considering replacing an existing machine with a newer, more efficient one. Research and development costs associated with the replacement decision were $40,000 last year (2015). The existing machine was purchased three years ago at a cost of $230,000, and it is being fully depreciated according to a 5-year MACRs depreciation schedule. The current book value reflects that the firm has taken three years of depreciation. Because the company actively maintains its machinery and equipment, the CFO...
For each question, encircle the correct answer. 6 )In a population of 100 items where 20...
For each question, encircle the correct answer. 6 )In a population of 100 items where 20 items are defective. A sample of 40 items has been selected randomly from the population and 10 of the them are defective. The sampling error of the proportion is A) 0.05 B) 0.2 C) 0.25 D) 1 7 )If a population has a highly skewed distribution, which of the following sample sizes is more likely to be sufficiently large that the distribution of the...
BridgeRock is a major manufacturer of tires in the U.S.. The company had five manufacturing facilities...
BridgeRock is a major manufacturer of tires in the U.S.. The company had five manufacturing facilities where tires were made and another 20 facilities for various components and materials used in tires. Each manufacturing facility produced 10,000 tires every hour. Quality had always been emphasized at BridgeRock, but lately quality was a bigger issue because of recent fatal accidents involving tires made by other manufacturers due to tread separation. All tire manufacturers were under pressure to ensure problems did not...
You have been hired as an economic consultant for a ski company. This company has patented...
You have been hired as an economic consultant for a ski company. This company has patented a new type of ski, and is trying to figure out how to market the new product. Complicating this is the fact that consumer demand changes depending on the season. In this problem there are two seasons (summer and winter). Keep in mind that in the real world, this would be expanded to 4 quarters. You will need to figure out whether this product...
Fancy Millwork has a factory that produces custom kitchen cabinets. It has multiple product lines. Materials...
Fancy Millwork has a factory that produces custom kitchen cabinets. It has multiple product lines. Materials and labor for the cabinets are determined by each job. To simplify the assignment, we will assume the following average costs. The company estimates that it will have 32,000 direct labor hours in total for the kitchen cabinets. The materials include $2,000 for the wood and other materials on a per job basis. It requires 40 hours of labor on average for a custom...
Case 5.1 EuroWatch Company assembles expensive wristwatches and then sells them to retailers throughout Europe. The...
Case 5.1 EuroWatch Company assembles expensive wristwatches and then sells them to retailers throughout Europe. The watches are assembled at a plant with two assembly lines. These lines are intended to be identical, but line 1 uses somewhat older equipment than line 2 and is typically less reliable. Historical data have shown that each watch coming off line 1, independently of the others, is free of defects with probability 0.98. The similar probability for line 2 is 0.99. Each line...
1- Which of the following is a drawback of using three- dimensional graphs? a- three-dimensional graphs...
1- Which of the following is a drawback of using three- dimensional graphs? a- three-dimensional graphs are difficult to represent on paper. b- three-dimensional graphs cannot represent qualitative data. c- three-dimensional graphs cannot be rotated when presenting digitally. d- three- dimensional graphs can only express two variables at a time. e- three-dimensional graphs contains lines that overlap too much to be distinguishable. 2- the most frequently used chart in comparing the subdivisions of wholes is the a- line chart b-...
Problem 16 Many retail stores have cash registers with price scanners, which use lasers to read...
Problem 16 Many retail stores have cash registers with price scanners, which use lasers to read barcode on packages. The barcode typically contains a UPC (uniform product code) number, which the cash register looks up in a database to find the item price. The scanners are very reliable, in the sense that they rarely make errors in reading the barcode. However, the price databases sometimes contain errors, which can result in overcharging or undercharging customers. Many of the pricing errors...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT