Example 4-4. A factory produces a certain type of outputs by three types of machine. Therespective daily production figures are:Machine I: 3,000 Units; Machine II: 2,500 Units; Machine III : 4,500 UnitsPast experience shows that 1 per cent of the output produced by Machine I is defective.The corresponding fraction of defectives for the other two machines are 1-2 per-cent and 2 per-cent respectively. An item is drawn at random from the day's production run and is found tobe defective. What is probability that it comes from the output of(i) Machine I,(ii) Machine II,(iii) Machine (iii) ?

The following information has been given: The daily output of Machine I =3000 units The daily output…

Answered: Example 4-4. A factory produces a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Determine whether the study depicts an observational study or an experiment. A scientist was studying the effects of a new fertilizer on crop yield. She randomly assigned half of the plots on a farm to group one and the remaining plots to group two. On the plots in group one, the new fertilizer was used for a year. On the plots in group two, the old fertilizer was used. At the end of the year the average crop yield for the plots in group one was compared with the average crop yield for the plots in group two.
The Difference of Two Sample Proportions: III Belinda plans to take a simple random sample of 2500 U.S. adults and to compute the proportion of them who believe in the theory of evolution. (Call this sample proportion p1-hat.) She also intends to take an independent simple random sample of 1600 adults from France and to compute the the proportion of them who believe in the theory of evolution. (Call this sample proportion p2-hat.) Unknown to Belinda, the proportion of all U.S. adults who believe in the theory of evolution is 0.50 (or 50%), whereas the proportion of all French adults who believe in the theory of evolution is 0.75, or 75%. Using the expected value and the SD of p1-hat minus p2-hat, which of the following makes the most sense? Group of answer choices ( ) The percentage of adults in the U.S. sample who believe in evolution should turn out to be about 25% less than the percentage of adults in the French sample who believe in evolution, give or take about 3% or so for…
) 3 2010 06 36% Progress Camila and Evelyn work at a dry cleaners ironing shirts. Camila can iron 40 shirts per hour, and Evelyn can iron 20 shirts per hour. How many total shirts would be ironed between the two workers if Camila worked 6 hours and Evelyn worked 9 hours on a given day? How many total shirts would be ironed between the two workers if Camila worked a hours and Evelyn worked y hours on a given day? Camila works 6 hours and Evelyn works 9 hours: I ACaila works a hours and Evelyn works y hours: Submit Answer attempt i out of 2 Privacy Policy Terms of Service Copyright 2021 DeltaMath.com. All Rights Reserved DELL 女 23 2$ & 2 4. 5 6 7 8. b. W e y i a S f k
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 284 Humanities 25% 218 Natural Science 20% 207 Social Science 15% 102 All other subjects 8% 77 (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to three decimal places. Round the test statistic to three decimal places.)
1. A study was conducted to investigate the effects of three factors on the fragmentation of an explosive device. The factors of interest are pipe diameter, a restraint material and the air gap between the device and the restraint material. Two repeat tests were conducted on each combination of the factor levels. The data are shown below. (a) (b) (c) Air gap (C) Factors A (in.) B C (in.) Material (B) 0.50 in. 0.75 in. Factor levels Low 0.75 Sand 0.50 Sand 57.6 57.9 61.8 61.3 0.75 in. High 1.75 Earth 0.75 Pipe Diameter (A) Earth 63.2 63.5 65.8 63.5 Sand 69.5 69.2 68.1 69.0 1.75 in. Earth 69.9 62.0 55.3 59.8 Suppose that in the data above, we had confounded ABC in replicate I and AB in replicate II. Give the name of this design? Outline the design mentioned in (a). Analyze the data and infer your conclusion.
QUESTION 2 Business Poor Unit A B с Medium Excellent Performance Performance Performance 34 76 81 191 65 14 45 124 67 67 90 224 166 157 216 539 Take a look at the table which shows the structure of a small production facility. The numbers in the table stand for the number of employees working in a specific business unit and having specific performance level. An employee is selected at random. Find the CORRECT statements. Keep in mind that the mark will be reduced for incorrect answers - do not guess. All probabilities have been rounded to three decimal places. The probability that an employee is from business unit C, or that an employee has excellent performance is 0.816 The probability that an employee does not have excellent performance is 0.416 The probability that an employee has an excellent performance, given that the employee is from business unit A, is 0.404 The probability that an employee is from business unit B and has medium performance is 0.026
12. Library: Book Circulation The director of library services at Fairmont College did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown next. Percent of Books in Circulation Library on This Subject Number of Books in Subject Area Sample on This Subject Business 32% 268 Humanities 25% 214 Natural science 20% 215 Social science 15% 115 All other subjects 8% 76 Using a 5% level of significance, test the claim that the subject distribu- tion of books in the library fits the distribution of books checked out by students.
1. For her botany class project, Jennifer wonders if there is a connection between the average weight of watermelons a vine produces and the root depth of the vine. Jennifer suspects that vines with deeper roots have a better water supply and produce larger melons. From a large watermelon field, 10 vines are chosen at random. At the end of 8 weeks, the watermelons are removed from each vine and the average weight of the watermelons from each vine is determined. Each plant is carefully dug up and its root depth (or length) is measure. Let x represent the root depth (to the nearest inch) and y be the mean weight of the watermelons on the vine (in pounds). Suppose that x = 17, s, = 6, y = 12, s, = 5.1, and r = = 0.93. a. Find the equation of the least squares regression line (round a and b to the nearest tenth). b. List 2 points that you know will be on the least-squares line you found in part a. c. What percent of variation is accounted for by a linear relationship? d. Using part a.,…
n the Focus Problem at the beginning of this chapter, a study was described comparing the hatch ratios of wood duck nesting boxes. Group I nesting boxes were well separated from each other and well hidden by available brush. There were a total of 487 eggs in group I boxes, of which a field count showed about 268 hatched. Group II nesting boxes were placed in highly visible locations and grouped closely together. There were a total of 818 eggs in group II boxes, of which a field count showed about 260hatched. (a) Find a point estimate p̂1 for p1, the proportion of eggs that hatch in group I nest box placements. (Round your answer to three decimal places.)p̂1 = Find a 95% confidence interval for p1. (Round your answers to three decimal places.) lower limit upper limit (b) Find a point estimate p̂2 for p2, the proportion of eggs that hatch in group II nest box placements. (Round your answer to three decimal places.)p̂2 = Find a 95% confidence interval for p2. (Round your…

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS