The table below shows the number of computers that are assigned to four different schools and the number of students in those schools. Use the Huntington-Hill apportionment principle to determine to which school a new computer should be assigned. Rose O Lincoln O Midway O Valley School Rose Lincoln Midway Valley Number of computers 26 24 31 26 Number of students 704 569 529 701
Q: Consider the distribution of a discrete variable Y whose cumulative distribution function is given…
A:
Q: As part of a study on how people of different ages use mobile technology, each person in a sample…
A: Given that n1 = 258 , X1 = 168 , n2 = 129 , X2 = 61
Q: Confidence level=95%, degrees of freedom=14 i
A: Ans# - Given confidence level = 95% degree of freedom = 14 Find t percentile that is…
Q: Given the below probability mass function, find the cumulative distribution function (CDF). NO WORK…
A: x P(x) 4 0.1 6 0.35 13 0.55 we have to find CDF.
Q: Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…
A: Given n=215, p^=55.8%=0.558 Level of significance ɑ=0.02
Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…
A: Given n=5 Standard deviations=3
Q: 1. The following table contains the probability distribution for the number of traffic accidents…
A: Solution -Given that , the probability distribution of X Number of accident daily (X) P(X=x) 0…
Q: Complaints about an Internet brokerage firm occur at a rate of 1.7 per day. The number of complaints…
A: Introduction: Denote X as the number of complaints received about the internet brokerage firm on a…
Q: You must estimate the mean temperature (in degrees Fahrenheit) with the following sample…
A: Obtain the 98% confidence for the population mean temperature. The 98% confidence for the population…
Q: The standard deviation of the chi-square distribution is twice the mean. True False
A: We want to tell you above statement is true or false
Q: A decade-old study found that the proportion, p, of high school seniors who believed that "getting…
A: Given that p = 75% = 0.75 , n = 235 , X = 179 Note : According to bartleby experts question answers…
Q: st 2 on 3 Lion 4 K The assets (in billions of dollars) of the four wealthiest people in a particular…
A: 45,29,21,19 and n = 2
Q: 5. Hillstone's Restaurant in Winter Park determined that the amount of money spent weekly on…
A: Given that Mean = M = 1030 , Standard deviation = SD = 70 X ~ Normal (M = 1030 , SD = 70)
Q: Complete the class frequency table below. Class interval 6-10 11-15 16-20 21-25 26-30 Total Class…
A: The data are arrange in increase order and the increase order are: 6, 7, 8, 10, 10, 11, 11, 11, 11,…
Q: You are given the following data Table: Number of Americans with Health…
A: Given table: Yes No Row Totals Young 750 170 920 Old 950 130 1080 Column Totals 1700 300…
Q: 3. 3c. A. B. Women have head circumferences that are normally distributed with a mean of 23.55…
A: For the distribution of the circumference of the heads (in inches) of women at the population level,…
Q: True or False: (justify/explain your answer) State whether a or b is the True statement below and…
A: The answer for a). FALSE Reason : When a large sample is Consider for distribution the sample mean…
Q: is the variance of distribution?
A: It is given that the probability distribution of X in the solution of the problem. Also we have Mean…
Q: sold 457,000 pencils each year. Furthermore, 90% of the time sales have been between 454,000 and…
A: It is given that Mean, μ = 457000 P( 454000 < X < 460000 ) = 90% = 0.90
Q: 6. Regarding the frequency table in statistics, which statement best describes the group frequency…
A: Hi there! Thank you for the question, As per the honor code, we are allowed to answer one question…
Q: An original population of scores with a mean = 50 and SD = 6 is standardized to create a new…
A: given data 1 represents original population 2 reperesents new distributionμ1 = 50μ2 = 80σ1 = 6σ2 =…
Q: 5.5 In a comparison of the cleaning action of four detergents, 20 pieces of white cloth were first…
A: Given: SST=1090.47SSB=216.67SSW=873.80N = 17 K(number of groups)=4
Q: Given that the rank correlation coefficient for 19 pairs of data is rs = 0.369, test the claim that…
A: Given, r critical is 0.369 Level of significance is 0.05 and sample is 19. Degree of freedom is = n…
Q: A large fast-food restaurant in Cleveland is having a promotional game where game pieces can be…
A: GIVEN DATA, P(WINNING PRIZE ) = p =0.126 n= 25 purchases that produce a game pieceq=…
Q: Let z be a standard normal random variable with mean μ = 0 and standard deviation = 1. Use Table 3…
A: The random variable z follows standard normal distribution with mean µ = 0 and standard deviation σ…
Q: The lifetime of LCD TV sets follows an exponential distribution with a mean of 100,000 hours.…
A:
Q: Player Jimmy Butler Bam Adebayo Duncan Robinson Tyler Herro Kendrick Nunn Trevor Ariza Victor…
A: Solution: From the given information,
Q: Probability and Statistics – Consider a game of chance using 5 dice. (Recall that a die has 6-sides,…
A: It is given in the game, each player takes turns rolling 5 dice, 10 times. That means each die is…
Q: 9. A level of significance of 10% means Group of answer choices There is a 10 % chance that we are…
A: In statistics we have two types of errors which are, Type I error : Rejecting the null hypothesis…
Q: marriage counselor has traditionally seen the proportion pee of all married couples from her…
A: Given that Claim : The marriage counselor now claims that our program can prevent divorce is more…
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A: Answer: - Given , X~N(μ, σ) Mean μ =100, standard deviation (σ) =15. Find P(X < 85) =?
Q: The claim is that for 11 AM body temperatures of females, the mean is less than 98.6°F. The sample…
A: Solution: Given information: n= 37 Sample size Claim: For 11 AM the mean body temperature of…
Q: X is a random variable with mean 30 and standard deviation 4. Y is a random variable with mean 50…
A: Given that. For X E(X) = 30 , Sd(X) = 4 , E(Y) = 50 , Sd(Y) = 8
Q: The lengths of text messages are normally distributed with a population standard deviation of 3…
A: From given data we have : n=24 population standard deviation σ=3 sample mean of 21 x=21
Q: If we view a jury trial as a test with a binary outcome, then the expression "better a hundred…
A: We know that, sensitivity refers to the probability of a positive test, conditioned on truly being…
Q: Suppose the weights of 3-month-old babies are normally distributed-baby boys with a mean of 14.4…
A: Given data,normal distribution,baby boys μ=14.4σ=1.7baby girls μ=12.7σ=1.7we have to find out the…
Q: Express the confidence interval 0.393±0.0480.393±0.048 in open interval form (i.e., (0.155,0.855)).
A: From given data confidence interval is 0.393±0.048
Q: Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random…
A: Given that For X E(X) = 30 , Sd(X) = 4 For Y E(Y) = 50 , Sd(Y) = 8 Corr(X,Y) = 0.50
Q: The diameters of Douglas firs grown at a Christmas tree farm are normally distributed with mean of 5…
A: Given information- Population mean, µ = 5 inches Population standard deviation, σ = 1.5 inches Let,…
Q: Give the boundaries of the indicated value 2.8 pounds
A: The given value is 2.8.
Q: Exhibit 13-31 To test whether or not there is a difference between treatments A, B, C and D, a…
A: Given that A B C D 30 26 30 26 25 20 28 34 33 28 22 28 Sum = 88 74 80 88…
Q: Find the variance for the set of data: 27, 33, 20, 25, 25. The variance is ***
A: Solution: x x2 27 729 33 1089 20 400 25 625 25 625 --- --- ∑x =130 ∑x2 =34685
Q: Given that x has a Poisson distribution with µ = 7, what is the probability that x = 0? P(0) ≈…
A: From the provided information, X has a Poisson distribution with μ = 7 X~P (7)
Q: Suppose the population mean is known to be 42.8 minutes with a population standard deviation of 14.7…
A: It is given that Population mean = 42.8 Population standard deviation = 14.7 Sample mean = 44.783…
Q: How to solve 0.0133 without using the excel formula?
A: P value is the probability value of the hypothesis testing. It used to determine whether the…
Q: Consider Ho: = 31 versus H₁: #31. A random sample of 36 observations taken from this population…
A: From the provided information, Population standard deviation (σ) = 9 Sample mean (x̄) = 27.70 Sample…
Q: A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally…
A: Given that n = 12 , ?2 = 1000 , ? = √(1,000) = 31.6228
Q: A college claims that the proportion, p, of students who commute more than fifteen miles to school…
A: GIVEN DATA,claim :p <0.25n=260x=62p^=xn=62260=0.2385one -tailed test
Q: Match the plot with a possible description of the sample. Choose the correct answer below. OA. Time…
A: Given that Match the plot with a possible description of the sample: the correct answer below A…
Q: ما3 Consider Ho: U = 31 versus H₁: #31. A random sample of observations taken from this population…
A:
Step by step
Solved in 2 steps with 1 images
- The Scotia Metropolitan Area Rapid Transit Service(SMARTS) operates six bus routes (A, B, C, D, E, and F)and 125 buses. The number of buses apportioned to eachroute is based on the number of passengers riding thatroute. Table 4-23 shows the daily average ridership on eachroute.(a) Find the standard divisor.(b) Explain what the standard divisor represents in thisproblem.(c) Find the standard quotas (round your answers to threedecimal places d)Find the apportionment under Hamilton’s method of theSMARTS buses to the six bus routesEXERCISESRoute A B C D E FRidership 45,300 31,070 20,490 14,160 10,260 8,720The Scotia Metropolitan Area Rapid Transit Service(SMARTS) operates six bus routes (A, B, C, D, E, and F)and 125 buses. The number of buses apportioned to eachroute is based on the number of passengers riding thatroute. Table 4-23 shows the daily average ridership on eachroute.(a) Find the standard divisor.(b) Explain what the standard divisor represents in thisproblem.(c) Find the standard quotas (round your answers to threedecimal places).EXERCISESRoute A B C D E FRidership 45,300 31,070 20,490 14,160 10,260 8,720For unemployed persons in the United States, the average number of months ofunemployment at the end of December 2009 was approximately seven months(Bureau of Labor Statistics, January 2010). Suppose the following data are for aparticular region in upstate New York. The values in the first column show thenumber of months unemployed and the values in the second column show thecorresponding number of unemployed persons.MonthsUnemployedNumberUnemployed1 10292 16863 22694 26755 34876 46527 41458 35879 2325 10 1120Let x be a random variable indicating the number of months a person is unemployed.a. Use the data to develop an empirical discrete probability distribution for x.b. Show that your probability distribution satisfies the conditions for a validdiscrete probability distribution.c. What is the probability that a person is unemployed for two months or less?Unemployed for more than two months?d. What is the probability that a person is unemployed for more than sixmonths?
- sw1asdasdA Wall Street firm is trying to package nine mortgages for sale. The sizes of the mortgages (in thousands of dollars) are listed in the file P08_27.xlsx. To be sold, each package must consist of at least $1,000,000 in mortgages. What is the largest number of packages that can be created? Number of packages: Mortgage data Mortgage Amount 1 910 2 870 3 810 4 640 5 550 6 250 7 120 8 95 9 55Each flat tire that is brought into a tire shop is either fixed or replaced. The table below lists the number of flat tires that were brought into Hollis's tire shop last month and where the tire was mounted when it went flat. Use this inforation to answer the question(s) about Hollis's customers. right front left front right rear left rear Total fixed 673 937 449 422 2481 replaced 513 444 392 408 1757 Total 1186 1381 841 830 4238 Question content area bottom Part 1 (Round all answers to 5 decimal places) A. If 9 tires are randomly selected with replacement, what is the probability that they are all replaced? enter your response here B. If 9 tires are randomly selected with replacement, what is the probability that they are all right rear tires? enter your response here
- Find how many coupon codesA state fisheries commission wants to estimate the number of bass caught in a givenlake during a season in order to restock the lake with the appropriate number ofyoung fish. The commission has information on the seasonal catch (CATCH) inthousands of bass per square mile; the size of the lake in square miles (SIZE); thenumber of lakeshore residences per square mile (RESIDENCE); the number of livingplaces for bass (i.e. weed beds, sunken trees, drop offs etc.) (STRUCTURE) andACCESS a dummy variable equal to 1 if the lake has public access and 0 if not. What do you think are the expected signs of the regression coefficients?Justify your choice. Using R-studio, estimate the multiple linear regression model. ALL input codes and output tables should be provided.(b) Is the overall regression equation statistically significant at the 1% level?Justify your answer. Ensure that you state the null hypothesis(es) and thedecision rule in your analysis.(c) Find and interpret a 95% confidence…Calculate (by hand) the SStotal and SSmodel