A sales director who lives in city A is required to fly to regional offices in cities B,C, D, and E. The weighted graph shows the one-way airfares between any twocities. Use the Brute Force Method to find the optimal solution.397218301216366262414483246D431Which Hamilton circuit is the optimal solution?

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Answered: A sales director who lives in city A is…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter8: Polynomials

Section8.1: Adding And Subtracting Polynomials

Problem 58PPS

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Review(32a); CHOOSE two options. Professor Ratzo wonders if rats will run a maze faster for some kinds of foods rather tha others. He randomly assigns 30 rats to one of three conditions. Group1 gets bread at the end of the maze. Group2 gets cheddar cheee and Group3 gets honey glazed ham. The number of seconds was recorded. The hypotheseis is that type of food makes a difference in rat running time. Choose the correct hypotheses in symbol notation(or word if symbol is not available) if symbol is not appropriate) (a) Z test (b)single sample t test (c)dependent t test (d) independent t test (e) Pearson correlation coeffieient. (f) ANOVA (g) chi Square goodness of fit test (h)Chi Square test of independence (i) Ho: u1-u2=0 H1: u1-u2!=0 (j) Ho: u1-u2 =0 H1:u1-u2<0 (k) Ho: u1-u2 >= 0 H1: u1=u2<0 (l) Ho : Rho=0 H1: Rho!=0 (m) Ho: Rho >= 0 H1: Rho <0 (n) Ho:Rho <= 0 H1: Rho > 0 (o) Ho: u=0 H1: u<=0 (p) Ho: u<=0…
Keren must work at least 18 hours a week to supplement her income while attending school. She has the opportunity to work in two retail stores. In store 1, she can work between 5 and 13 hours a week, and in store 2, she is allowed between 6 and 11 hours. Both stores pay the same hourly wage. In deciding how many hours to work in each store, Keren wants to base her decision on work stress. Based on interviews with present employees, Keren estimates that, on an ascending scale of 1 to 10, the stress factors are 8 and 6 at stores 1 and 2, respectively. Because stress mounts by the hour, she assumes that the total stress for each store at the end of the week is proportional to the number of hours she works in the store. How many hours should Keren work in each store? a. Define the variables used and formulate the linear programming model for this problem. b. Graph the constraints and identify the feasible region. SAPL IVO,
Economists theorize that the recent recession has affected men more than women because men are typically employed in industries that have been hit hardest by the recession. Women, on the other hand, are typically employed in services which are considered more recession resistant. A sample of 165 men and a sample of 140 women were drawn. In those samples, 20 men were unemployed, and 13 of the women were unemployed. Complete parts a and b below. Economists theorize that the recent recession has affected men more than women because men are typically employed in industries that have been hit hardest by the recession. Women, on the other hand, are typically employed in services which are considered more recession resistant. A sample of 180men and a sample of, 160 women were drawn. In those samples,19 men were unemployed, and 10 of the women were unemployed. Complete parts a and b below. a. What is the test statistic? What is/are the critical value(s)? b. Determine the p-value and…
The following graph represents the cost (in dollars) of one-way airfares for cities A, B, C and D. If you are looking to find the cheapest round-trip flight starting from your home city, A, use the Brute Force Method to determine lowest cost of the trip. List the route and total cost. 124 157 190 B D 179 155 126
Each time a component is tested, the trial is a success (S) or failure (F). Suppose the component is tested repeatedly until a success occurs on three consecutive trials. Let Y denote the number of trials necessary to achieve this. List all outcomes corresponding to the five smallest possible values of Y. (Enter your answers in set notation.) Y Outcomes 4 7 3.
Professor Fair believes that extra time does not improve grades on exams. He randomly divided a group of 300 students into two groups and gave them all the same test. One group had exactly 1 hour in which to finish the test, and the other group could stay as long as desired. The results are shown in the following table. Test at the 0.01 level of significance that time to complete a test and test results are independent. Time A B C F Row Total 1 h 20 43 58 11 132 Unlimited 19 48 84 17 168 Column Total 39 91 142 28 300 (i) Give the value of the level of significance.State the null and alternate hypotheses. H0: Time to take a test and test score are not independent.H1: Time to take a test and test score are independent. H0: The distributions for a timed test and an unlimited test are the same.H1: The distributions for a timed test and an unlimited test are different. H0: The distributions for a timed test and an unlimited test are different.H1: The distributions for a…
displays blood pressure status by gender. Blood Pressure by Gender Optimal Normal Hypertension TotalThe required value is, Male 22 73 55 150 Female 43 132 65 240 Total 65 205 120 390 What proportion of the participants has optimal blood pressure? What proportion of men has optimal blood pressure? What proportion of participants with hypertension are men? Are hypertensive status and male gender independent?
2,
Professor Fair believes that extra time does not improve grades on exams. He randomly divided a group of 300 students into two groups and gave them all the same test. One group had exactly 1 hour in which to finish the test, and the other group could stay as long as desired. The results are shown in the following table. Test at the 0.01 level of significance that time to complete a test and test results are independent. Time A B C F Row Total 1 h 22 41 56 13 132 Unlimited 19 48 79 22 168 Column Total 41 89 135 35 300 A) Find the sample test statistic. (Round your answer to two decimal places.) B) Find or estimate the P-value of the sample test statistic. C) Reject or Fail to reject Null Hypothesis?
Intersections in England are often constructed as one-way "roundabouts," such as the one shown in the figure. Assume that traffic must travel in the directions shown. Find the general solution of the network flow. Find the smallest possible value for X6. 30 > ×2= X3 X4 X5 X6 is free 100 X₁ is free X2= X3 is free X₁ is free B, X5 = X6 is free X₂A 120 130 X3 X4 X1 D X5 E Yx6 /F X6 What is the general solution of the network flow? Choose the correct answer below and fill in the answer boxes to complete your choice. O A. O B. O C. x₁ is free 40 100 -C ‒‒‒‒‒ X₁ = x₂ = X3 = X4= X5 = X6 is free O D. X₁ = X₂ is free x3 = X4 = X5 is free X6 is free
A farmer is concerned that a change in fertilizer to an organic variant might change his crop yield. He subdivides 6 lots and uses the old fertilizer on one half of each lot and the new fertilizer on the other half. The following table shows the results. (You may find it useful to reference the appropriate table: z table or t table) Crop Yield Using Old Fertilizer Lot 1 Crop Yield Using New Fertilizer 11 2 10 9 14 11 5 10 12 6 10 14 pictureClick here for the Excel Data File Let the difference be defined as Old New. a. Specify the competing hypotheses that determine whether there is any difference between the average crop yields from the use of the different fertilizers. OHO: HD ≤ 0; HAND > 0 ⒸHO: HD=0; HAND #O OHO: HD20; HAND <0 b. Assuming that differences in crop yields are normally distributed, calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and your final answer to 2 decimal…
Professor Fair believes that extra time does not improve grades on exams. He randomly divided a group of 300 students into two groups and gave them all the same test. One group had exactly 1 hour in which to finish the test, and the other group could stay as long as desired. The results are shown in the following table. Test at the 0.01 level of significance that time to complete a test and test results are independent. Time A B C F Row Total 1 h 22 41 65 12 140 Unlimited 17 49 86 8 160 Column Total 39 90 151 20 300 (ii) Find the sample test statistic. (Round your answer to two decimal places.)

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