Problem 10As a quality control engineer, you're examining the performance of two of the suppliers (A andB) of a key subassembly in a system that your factory produces. You purchased a total of 387batches of parts from Supplier A and 283 batches from Supplier B. When batches arrive, youinspect them to determine if they meet quality standards: batches either "meet" or "fail tomeet" standards. The past quality data that you've collected appears below.a.From Supplier A, you pull a random sample of five subassemblies. What is theprobability that fewer than two fail to meet standards?b. From Supplier B, you pull a random sample of three subassemblies. What is theprobability that all three meet standards?c.From the collection of subassemblies that fail to meet standards, you pull a randomsample of six subassemblies. What is the probability that only one comes from SupplierB?Supplier ASupplier BMeet standards346245Fail to meet standards4138

As a quality control engineer, you're examining the performance of two of the suppliers (A and B) of…

Answered: Problem 10 As a quality control…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Mariah Jacobsen is the marketing manager at ABC Electronics, a major consumer electronics supplier in the northwest. Over the last five years, sales of the company's flagship product - the Wizer Anonymizer (the WA) - have been 45000, 45500, 44500, 46000 and 44000 units. This rate of sales is considered average for the product over the last twenty years or so. Ms. Jacobsen believes that the distribution of the WA's sales is normal with a standard deviation of 1500 units. If she were asked to make a forecast of next year's sales to upper management, what is the likelihood that she would be correct if she predicts sales between 43000 and 46000?
Suppose you are a production manager for a small firm that manufactures designer phone cases. Your production facility utilizes three machines. Quality is binary — each phone case is either defective or it is not defective. Each hour, Machines 1, 2, and 3 produce 10, 10 and 20 phone cases, respectively. But because the machines differ slightly in their technology, data on past production has shown that they differ in terms of their rates of defective output — specifically, Machines 1, 2, and 3 have rates of defective production of 2%, 4%, and 5%, respectively. If one phone case is selected randomly from one hour’s total output, and that phone case is found to be defective, what is the probability that it was produced by Machine 1? Machine 2? Machine 3?
This is a practice exam. I would like to know how to slove usign excel or megastat Wenton Powersports produces dune buggies. They have three assembly lines, “Razor,” “Blazer,” and “Tracer,” named after the particular dune buggy models produced on those lines. Each assembly line was originally designed using the same target production rate. However, over the years, various changes have been made to the lines. Accordingly, management wishes to determine whether the assembly lines are still operating at the same average hourly production rate. Production data (in dune buggies/hour) for the last eight hours are as follows. (You may find it useful to reference the F table.) Razor Blazer Tracer 11 10 9 10 8 9 8 11 10 10 9 9 9 11 8 9 10 7 12 11 8 12 8 9 Click here for the Excel Data File a. Specify the competing hypotheses to…
Cholesterol Testing. A large health care organization uses three laboratories for the routine analysis of blood samples. It is important that the three labs provide equivalent test results. To check that, blood samples are obtained from 10 randomly selected individuals; each blood sample is then divided into three blood subsamples of equal volume; and then the three blood subsamples from each person are sent to different labs. For this problem, the analysis is confined to assessing the measurement of the total cholesterol level for a person. The data are in the following table.
A national restaurant chain is composed of 6500 restaurants, each of which is located in close proximity to an interstate highway. The restaurant's business strategy is to serve its core customer base: people travelling on the interstate highway system who are looking for a quality dining experience. Customers generally enjoy the restaurant chain's menu, atmosphere, and consistency from restaurant to restaurant. The company's leadership, located at corporate headquarters, is very interested in the relationship between the cost of a gallon of gasoline and the company's revenue. Specifically, the company is concerned that if gasoline prices rise in the near future, the company's revenue will decline dramatically. The company's research department recently collected data for analysis in order to support leadership's upcoming discussion of whether the company should expand and diversify to locations away from an interstate highway. Annual revenue figures from a random sample…
Problem #3 ( 25 pts). Make sure you show your work. Not just answers or you lose 25 pts). A supermarket employs cashiers, delivery personnel, stock clerks, security personnel, and deli personnel. The distribution of employees according to marital status is shown in the following table: Marital Status Cashiers Stock Delivery Security Deli Total Clerks (T) Personnel (E) Personnel (N) Personnel (1) Married (M) 8 12 11 3 2 36 Single (S) 6 20 3 2 3 34 Divorced (D) 5 5 4 19 19 37 18 6 9 89 If an employee is selected at random, find these probabilities: a) The employee is a stock clerk or married. b) The employee is a stock clerk given that she/he is married.
TABLE 11.4 Salaries of the New York Yankees, 2011 Player Salary ($) Player Salary ($) Alex Rodriguez 32,000,000 Eric Chavez 1,500,000 Freddy Garcia Andruw Jones 24,285,714 23,125,000 16,500,000 14,911,700 14,729,364 CC Sabathia 1,500,000 Mark Teixeira 1,500,000 A. J. Burnett Joba Chamberlain 1,400,000 Mariano Rivera Boone Logan 1,200,000 Derek Jeter Bartolo Colon 900,000 Jorge Posada 13,100,000 Luis Ayala 650,000 Robinson Cano 10,000,000 Brett Gardner 529,500 Rafael Soriano 10,000,000 David Robertson 460,450 Nick Swisher Francisco Cervelli 9,100,000 8,250,000 4,000,000 455,700 455,000 Curtis Granderson Gustavo Molina Damaso Marte Ivan Nova 432,900 Colin Curtis Eduardo Nunez Russell Martin 4,000,000 3,750,000 420,400 Pedro Feliciano 419,300 Phil Hughes 2,700,000 Reegie Corona 414,000 Source: content.usatoday.com/sportsdata/baseball/mlb/salaries/team. 1. Make a histogram using Microsoft Excel or Google Sheets. 2. Describe the distribution using the SOCS framework (Shape, Outliers,…
Drop-off points (points de collecte in French), where residents can dispose of their organic waste for composting, were established in each of the five targeted neighborhoods of PROBLEM 1. Camille wants to see whether or not there exists a relationship between the average weekly amount of non-disposed food waste per household and the availability of drop-off points in the neighborhood, expressed as the number of households per drop-off point (considered fixed). Her data and some of her preliminary calculations are presented below: Camille also calculated the slope of the fitted regression line: estimated slope = 0.008. Test whether or not the availability of drop-off points in the neighborhood has a linear effect on the amount of non-disposed food waste per household. Use α = 0.10.
In her last semester at SPC, Polly Hedron needs to take Statistics, Composition 2, and Ethics. Because Polly is registering early, she has 14 choices for her section of Statistics, 14 choices for her section of Composition, and 13 choices for her section of Ethics. From how many possible schedules can Polly choose? (You may presume that none of these sections interfere with each other)
You are the marketing director for a company that manufactures bodybuilding supplements, and you are planning to run ads in Sports Illustrated and GQ Magazine. On the basis of readership data, you estimate that each ad in Sports Illustrated will be read by 600,000 people in your target group, while each ad in GQ will be read by 150,000. You would like your ads to be read by at least 12 million people in the target group, and you plan to place at least 6 ads in Sports Illustrated and at least 8 ads in GQ during the next year. Sports Illustrated quotes you $2000 per ad, while GQ quotes you $1000 per ad. How many ads should be placed in each magazine to satisfy your requirements at a minimum cost? Sports Illustrated ads GQ Magazine ads
|In a seafood plant, 75% of all fish fillets are processed by Line 1, while the remaining 25% are processed by Line 2. Inspectors give each pack of fillets a quality grade of A and B. In Line 1, 60% and 40% of fillets receive quality scores of A and B, respectively. In Problem 5 Line 2, 85% and 15% of fillets receive quality scores of A and B, respectively. Line 2 produces better quality fillets, but it is slower and more expensive to maintain than Line 1. Randomly select a fillet pack. (Hint: Draw a tree diagram.) a. What is the probability that the fillet pack will have grade A? b. Given that the fillet is selected from grade-A fillet, what is the probability that it comes from Line 2?

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