Seven towns will be connected by a road network. The distance (km) table is givenbelow.|D E F_70 30 50A BGA1080150В 10с| 70110 160120 90130 | 100 1802080602040170D 308040120 | 130100 140G 150 160 | 170 | 180 | 190 | 200Е 5060140 190F80110 90200In this road network, find a Minimal Spanning Tree (using Kruskal’salgorithm) and also compute the total weight of this Minimal Spanning Tree. Writeyour solution step by step

We will use Kruskal's algorithm to solve this question step by step.

Answered: Seven towns will be connected by a road…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.3: Zeros Of Polynomials

Problem 56E

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A study was conducted to examine the difference in mean cholesterol levels in the blood of men and women and cholesterol levels were measured in 10 women and 10 men. The results were entered into R and the R code and output can be seen below. > tapply(chol$mael,chol$sex,mean) men women219.2115 195.1774 > tapply(chol$mael,chol$sex,var) Men women 90.69332 82.62161 Let's call group of men group 1 and group of women group 2. Which of the following is correct based on the information provided? μ1 = 219.2115 σ1 = 90.69332 s1 = 9.523304 None of the above is true I do not know.
a pollster wnats to minimize the effect the order of the questions has on a person's response to a survey. how many different surveys are required to cover all possible arrangements if there are 9 questions on the survey?
A medical researcher says that less than 77% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 400 adults in that country, 73% think that healthy children should be required to be vaccinated. At α=0.05, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
A certain basketball team makes 70% of its free throws on average. In a game where the team shoots 40 free throws. what is the approximate probabillity that the number of free throws made by the team wilbe at least 25%
A research center claims that 26% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 1000 adults in that country, 29% say that they would travel into space on a commercial flight if they could afford it. At α=0.05, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state H0 and Ha. "Recall that the claim is the percentage of adults in the country would travel into space on a commercial flight if they could afford it. Let a success be an adult in the country who would travel into space on a commercial flight if they could afford it. Translate the claim made about the population parameter from a verbal statement to a mathematical statement." (b) Use technology to find the P-value. (c) Decide whether to reject or fail to reject the null hypothesis and (d) interpret the decision in the context of the original claim.
Suppose that 95% of the bags of certain fertilizer mix weigh between 49 and 53 pounds. Averages of three succesive bags were plotted, and 47.5% of these were observed to lie between 51 and X pounds. Estimate the value of X. State assumptions you make and say whether these assumptions are likely to be true for this example.
A medical researcher says that less than 77% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 74% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
The article “Determination of Most RepresentativeSubdivision” (J. of Energy Engr., 1993: 43–55) gavedata on various characteristics of subdivisions that couldbe used in deciding whether to provide electrical powerusing overhead lines or underground lines. Here are thevalues of the variable x 5 total length of streets within asubdivision:1280 5320 4390 2100 1240 3060 47701050 360 3330 3380 340 1000 9601320 530 3350 540 3870 1250 2400960 1120 2120 450 2250 2320 24003150 5700 5220 500 1850 2460 58502700 2730 1670 100 5770 3150 1890510 240 396 1419 2109a. Construct a stem-and-leaf display using the thousandsdigit as the stem and the hundreds digit as theleaf, and comment on the various features of thedisplay.b. Construct a histogram using class boundaries 0, 1000,2000, 3000, 4000, 5000, and 6000. What proportion of subdivisions have total length less than 2000?Between 2000 and 4000? How would you describethe shape of the histogram?
The table below categorizes 10,614,000 office visits to cardiovascular disease specialists in the United States by the duration of each visit. A duration of 0 minutes implies that the patient did not have face-to-face contact with the specialist. Duration (minutes) Number of visits (thousands) 0 390 1-5 227 6-10 1023 11-15 3390 16-30 4431 31-60 968 61+ 185 Total 10,614 The statement is made that office visits to cardiovascular disease specialists are most often between 16 and 30 minutes. Do you agree with this statement? Why or why not?
Assume that in your linguistics class you have earned the test scores 90, 71, 57, and 68; and only one test remains. If you need a mean score of 70 to earn a C, then what minimum score must you obtain on the last test?
A person who is exercising should exceed his or her maximum heart rate, which is determined on the basis of that person’s sex, age, and resting heart rate. The following table relates resting heart rate and maximum heart rate for a 20 year old man. Resting heart rate (in beats per minute) Maximum heart rate (in beats per minute) 50 166 60 167 70 171 80 172 Using a 5% level of significance, test the claim that B>0
There are 10 students in a cafeteria. If x denoted the number of males, what are the poasible values of X

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