Solvethe problem.At the Jumping Jack cookie factory, quality assurance inspectors remove broken or otherwise defective cookies from a moving conveyor belt priorto packaging. Based on past studies, the plant manager knows that the inspectors eliminate 98% of the defective cookies at a conveyor belt speedof 9 feet per minute. As the belt speed increases, the factory can produce more cookies per hour, but at the cost of lower quality of the packagedproduct. Inspectors collect only 60% of defective cookies at a belt speed of 18 feet per minute.QA Inspector EfficiencyInspector efficiency,% defective cookies eliminated1009060|(9.98)50-101112 13 14 15Belt speed, feet per minute(18,60)16 17 18a. Find an equation of the line through the given points. Write the equation in slope-intercept form. Round the slope and y-intercept each to 1decimal place.b. Use the equation from part (b) to predict the efficiency of the inspectors at a belt speed of 15 feet per minute. Round to the nearest percent. Select one:O a. a. y = 136.0 + 4.2xb. 73% at a belt speed of 15 feet per minute.O b. a. y = 136.0 + 4.2xb. 66.5% at a belt speed of 15 feet per minute.O c. a. y = 136.0 - 4.2xb. 73% at a belt speed of 15 feet per minute.O d. a. y = 136.0 - 4.2xb. 66.5% at a belt speed of 15 feet per minute.

Equation of line passing through two points ( x1 , y1 ) & ( x2 , y2 ) is given as y - y1 = y2 -…

Answered: Solve the problem. At the Jumping Jack…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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A salon owner estimates the number of clients she is expecting during the festive season to be 20% during Monday to Wednesday, 20% on Thursday and 60% over the weekend. She therefore hires additional staff to assist during the weekend to meet the client demand. She however only observes 30% during Monday to Wednesday, 20% on Thursday and 50% over the weekend in the first week of December. The salon owner is uncertain whether she should reduce the planned staff for the December festive period due the observed trend or not. She conducts a statistical test at α = 0.05 to determine if the observed trend fits the expected trend. Which of the following statements is true? A. The conclusion of the test is that she should not keep the additional staff for the weekend. B. The df for this test is 3. C. The p-value is greater than α. D. The null hypothesis is that the observed trend is different to the expected trend. E. The test statistic is χ2 = 5.33.
) 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
See pictures for graphics. Problem: Methadone is a synthetic drug whose effect on the body is similar to that of morphine and heroin. Methadone has been used to help people control their addictions to these other drugs. Recently, the governor of Florida vetoed a million-dollar appropriation for several Methadone clinics in the state. Had Methadone use gotten out of hand? The following is a histogram that summarizes information from a study of 25 Florida Methadone clinic patients. (Florida's projected mean daily dosage per Methadone clinic patient was about 100 milligrams.)
A citrus grower anticipates a profit of $100,000 this year if the nightly temperatures remain mild. Unfortunately, the weather forecast indicates a 25% chance that the temperatures will drop below freezing during the next week. Such freezing weather will destroy 40% of the crop and reduce the profit to $60,000. However, the grower can protect the citrus fruit against the possible freezing (using smudge pots, electric fans, and so on) at a cost of $5000. Should the grower spend the $5000 and thereby reducethe profit to $95,000? [Hint: Compute E(X ), where X is theprofit the grower will get if he does nothing to protect the fruit.]
B. A manufacturing company is analyzing its accident record. The accidents fall into two categories: ➤Minor-dealt with by first aider: Average cost k50 ➤ Major-hospital required. Average cost k1,000 The company has 1,000 employees, of which 180 are office staff and the rest work in the factory. The analysis shows that 10% of employees have an accident each year and 20% of accidents are major. It is assumed that an employee has more than one accident in a year. (i) Determine the expected total cost of accidents in a year. On further analysis it is discovered that a member of office staff | half the probability of having an accident relative those in the factory. (ii) Show that the probability that a given a member of office staff has an accident in a year is 0.0549. (iii) Determine the probability that a randomly chosen employee who has had an accident is office staff.
A surgeon would like to know how long it takes, on average, to complete a coronary artery bypass surgery. She samples 30 surgeries and logs the time it takes to complete each one, in hours:6.9, 7.5, 4.9, 6.5, 4.4, 6.2, 2.4, 7, 6.2, 5.5, 6.2, 7.3, 7.3, 8.5, 6.9, 5.6, 4.1, 3.6, 5.4, 6.7, 5.4, 5.3, 6.5, 3.2, 5.2, 8.1, 5.7, 4.5, 5.9, 2.3Assuming the population standard deviation is σ=1.25σ=1.25, construct a 87% confidence interval for the average time it takes to complete a coronary artery bypass surgery.xˉ=x̄=α/2=
B. A manufacturing company is analyzing its accident record. The accidents fall into two categories: ➤Minor-dealt with by first aider: Average cost k50 ➤ Major-hospital required. Average cost k1,000 The company has 1,000 employees, of which 180 are office staff and the rest work in the factory. The analysis shows that 10% of employees have an accident each year and 20% of accidents are major. It is assumed that an employee has more than one accident in a year. (i) Determine the expected total cost of accidents in a year. On further analysis it is discovered that a member of office staff | half the probability of having an accident relative those in the factory. (ii) Show that the probability that a given a member of office staff has an accident in a year is 0.0549. (iii) Determine the probability that a randomly chosen employee who has had an accident is office staff.
According to a report by the U.S. Environmental Protection Agency (EPA), containers and packaging generated about 34.6% of all municipal solid waste (MSW) in the country in a recent year. This was the largest category of such waste. The next highest group was nondurable goods, which accounted for 25.4 % of waste. This was followed by durable goods at 10.9%, yard trimmings/other at 13.4%, and food scraps at 15.7%. Suppose last year, one large midwestern U.S. city processed 303 (1,000 tons) of MSW broken down by waste type as follows: Waste Type Containers and Packaging Nondurable Goods Durable Goods Yard Trimmings/Other Food Scraps MSW (1,000 tons) 129 73 28 45 28 Determine if there is a significant difference between the distribution of municipal solid waste in this midwestern city and the distribution released by the EPA a. Specify the hypotheses. Ho HA b. Calculate the test statistic and p-value. Round intermediate calculations to AT LEAST 4 decimal places and final answers to 3…

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