In 1898 the United States and Spain fought a warover the U.S. intervention in the Cuban War ofIndependence. At that time, the U.S. military wasconcerned about the nutrition of its recruits. Manydid not have a sufficient number of teeth to chewthe food provided to soldiers. AS a result, it waslikely that they would be undernourished andunable to fulfill their duties as soldiers. Therequirements at that time 1 specified that a recruitmust have "at least four sound double teeth, oneabove and one below on each side of the mouth,and so opposed" so that they could chew food. Ofthe 58,952 recruits who were under the age 1 of 20,68 were rejected for this reason. For the 43,786recruits who were 40 or over, 3801 were rejected.2l> Find a 99% confidence interval for thedifference in the proportions.C Use a significance test to compare theproportions. Write a short paragraph describingyour results and conclusions.Are the guidelines for the use of the large-sample approach satisfied for your work in parts(b) and (c)? Explain

Answered: Image /qna-images/answer/e5442d1f-9b24-4e0b-bee6-6e393bc1b7a8.jpg

Answered: In 1898 the United States and Spain…

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...

See similar textbooks

Similar questions

Consider the following approach: At an animal shelter, three types of food are provided for three species of freshwater turtles. Each turtle of species 1 consumes an average of 1 unit of food A, 1 of B and 2 of C per week. Species 2 consumes 1 unit of food A, 4 of B and 5 of C. Species 3 requires 2 units of food A 1 of B and 5 of C. It is known that the shelter can supply weekly 99 units of food A, 181 units B and 320 units of C. If we assume that the turtles consume all the food, indicate the number of turtles of each species that the shelter can maintain. a. Establishes the system of linear equations that models the approach b. Solve the system of linear equations using the Gauss-Jordan method
Mandrake Falls High School is losing a lot of money through its school laboratories. Accidents and misuse of equipment by students are taking their toll on laboratory supplies. In an attempt to remedy this, Mandrake is experimenting with a weekend course in laboratory techniques. For the time being, lack of resources allow only a portion of Mandrake's lab students to take the weekend course: of the 200 students enrolled in lab classes at Mandrake, only 75 have been able to take the weekend course. Mandrake is interested in evaluating the course's effectiveness in propagating safety in the laboratories. During regular lab classes, lab instructors are recording harmful lab incidents: accidents, misuse of lab equipment, etc. The high school is looking at the data and examining two variables: laboratory performance ("involved in no incident", "involved in exactly one incident", or "involved in 2+ incidents") and status regarding lab techniques course ("took the techniques course" or…
When is it appropriate to use surveys? - This question is based on Research Methodology A. When we want to find information about highly complex issues.B. All options are correctC. When we want information from larger populations.D. When we want a lot of detailed information.
1. Harimau Paper Sdn. Bhd. converts pulpwood to low, medium and high grade newsprint. The pulpwood requirements for each newsprint, availability of each pulpwood, and selling price (per ton) are shown Table 1. The LP is Pulpwood 1 Pulpwood 2 Pulpwood 3 Price Low grade 2 1 1 RM 900 Max z = 900x₁ + 1000x₂ + 1200x3 2x₁ + 2x₂ + x3 ≤ 180 S.t x₁ + 2x2 + 3x3 ≤ 120 x₁ + x₂ + 2x3 ≤ 160 X1, X2, X3 20 Table 1 Medium grade 2 2 1 RM 1000 High grade 1 3 2 RM 1200 Available (tons) 180 120 160
Jillian Michaels and Bob Harper are all- time famous American trainers. Michaels thinks that her clients lose more weight on average than the clients of Harper. Harper naturally disagrees with Michaels. In order to settle the dispute, the two trainers agree to each work with 15 different clients for six months. The table below summarizes the weight loss (Ibs) of each group: J. В. Michaels Harper Mean 25 21 SD 5.1 2.5 Size 15 15 1. Assume normality in the population distribution, construct a 90% confidence interval for the population difference of the mean weight loss using the critical value of 1.76 (Note: all values are given, no R codes needed) 2. What does it mean to be at "90% confident"? Would the 95% confidence interval be wider or narrower? Would the margin of error be wider or narrower? (Note: no calculation is needed) 3. According to the confidence interval you found in part (a), what can be concluded about Michaels' claim? (Note: you do NOT need to do the 5-step significance…
The Instant Paper Clip Office Supply Company sells and delivers office supplies to companies, schools, and agencies within a 50-mile radius of its warehouse. The office supply business is competitive, and the ability to deliver orders promptly is a big factor in getting new customers and maintaining old ones. (Offices typically order not when they run low on supplies, but when they completely run out. As a result, they need their orders immediately.) The manager of the company wants to be certain that enough drivers and vehicles are available to deliver orders promptly and that they have adequate inventory in stock. Therefore, the manager wants to be able to forecast the demand for deliveries during the next month. From the records of previous orders, management has accumulated the following data for the past 10 months: Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Orders 145 70 115 85 120 54 82 141 123 94 Compute the mean…
Consider the following situation, which involves two options. Determine which option is less expensive. Are there unstated factors that might affect your decision? You currently drive 400 miles per week in a car that gets 14 miles per gallon of gas. You are considering buying a new fuel-efficient car for $16,000 (after trade-in on your current car) that gets 42 miles per gallon. Insurance premiums for the new and old car are $900 and $500 per year, respectively. You anticipate spending $1700 per year on repairs for the old car and having no repairs on the new car. Assume gas costs $3.50 per gallon. Over a five-year period, is it less expensive to keep your old car or buy the new car? Over a five-year period, the cost of the old car is $ (Round to the nearest dollar as needed.) and the cost of the new car is $ Thus, over a five-year period, it is less expensive to
1. "The Diet Problem": Suppose that a thrifty patient of limited means was advised by his doctor to increase the consumption of Vegetable1 and Vegetable2 in his diet. In each meal he must get no less than 200 cal from this combination and no more than 14 units of fat. When he consulted his diet book, he found the following information: there are 150 cal in a kg of Vegetable1 and 200 cal in a kg of Vegetable2. However there are 14 units of fat in a kg of Vegetable1 and 4 units of fat in a kg of Vegetable2. Vegetablel costs at least Rs.30 per kg and Vegetable2 costs at least Rs.50 per kg. He can afford to pay only the least price. How do he meet the requirement set by the doctor?
A hospital dietitian prepares breakfast menus every morning for the hospital patients. Part of the dietitian’s responsibility is to make sure that minimum daily requirements for vitamins A and B are met. At the same time, the cost of the menus must be kept as low as possible. The main breakfast staples providing vitamins A and B are eggs, bacon, and cereal. The vitamin requirements and vitamin contributions for each staple follow: Vitamin mg/Egg mg/bacon strip mg/Cereal Cup Min. Daily Requirement A 2 4 1 16 B 3 2 1 12 An egg costs $0.04, a bacon strip costs $0.03, and a cup of cereal costs $0.02. The dietitian wants to know how much of each staple to serve per order to meet the minimum daily vitamin requirements while minimizing total cost. 1. Formulate a linear programming model for this problem. Then Slove the model by using the computer
It is often said that the economy of Arizona depends on the “Five C’s”: Copper, Cattle, Cotton, Citrus, andClimate. Assume a (highly simplified) model of the Arizona Economy that depends only on C1, C2, C3, C4,and C5, which represent the number of economic units (pennies, pounds, etc) purchased of each of the FiveC’s, respectively. Further assume that the Utility, or Economic Value (which is different from DollarValue), can be described by the function:U(C1, C2, C3, C4, C5) = C1∙C2∙C3∙C4∙C5As a mathematical function, does U have a maximum or minimum value? What values of Ci correspond tothe minimum value of U? What values of Ci correspond to the maximum value of U? Do these values of Cimake sense from an economic standpoint?
Halmar the Great has boasted to his hordes of followers that many a notorious villain has fallen to his awesome sword: His total of 700 victims consists of evil sorcerers, trolls, and orcs. These he has slain with a total of 900 mighty thrusts of his sword; evil sorcerers and trolls each requiring two thrusts (to the chest) and orcs each requiring one thrust (to the neck). When asked about the number of trolls he has slain, he replies, "I, the mighty Halmar, despise trolls nine times as much as I despise evil sorcerers. Accordingly, nine times as many trolls as evil sorcerers have fallen to my sword!" How many of each type of villain has he slain? sorcerers _____ trolls _____ orcs _____

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS