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Mathematics Questions and Answers February 28, 2023

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Let X be a Poisson random variable with parameter 4, and let Y = min(X, 3). (a) What is the p.m.f. of X? (b) What is the mean of X? (c) What is the variance of X? (d) What is the p.m.f. of Y (e) Compute E[Y ]. Let X be a Poisson random variable with parameter 4, and let Y = min(X, 3). (a) What is the p.m.f. of X? (b) What is the mean of X? (c)

Which of the following is true about Shadow Price? (Choose ALL the true statements. Choosing false statements will incur negative marking.) A If Shadow Price is positive, it means that the profit will increase if the right hand side (RHS) of the constraint increases. B If Shadow Price is negative, it means that the profit will decrease if the

State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio

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MM255 Business Math and Statistical Measures Unit 2: Instructor Graded Assignment Equations In this and future Instructor Graded Assignments you will be asked to use the answers you found in the Unit 1 Assignment. Note: For these questions you need to cite a reliable source for information, which means you cannot use sites like Wikipedia, Ask.com,

Patient Fir Patient La Gender Cristy Acey F Jerry Acuf M Zulma Alcon F Kim Alvero F Divina Avina F Lucille Baskerville F Talisha Baskette F Lyman Bedard M Frida Belton F Gisela Beringer F Delsie Bernabe F Annmarie Bisignano F Rocco Boddy M Randy Bogen M Ron Bosque M Lavone Braham M Cleopatra Brakebill F Stephania Caferty F Bao Cajigas M Eileen

In a study published in Medicine and Science in Sports and Exercise (volume 17, no. 2,page 189) the measurements of 252 men (ages 2281) are given. Of the 14measurements taken of each man, some have significant correlations and others don't.The partial table shown here lists only the first nine rows of the data. (You may copy and paste into MS

Dice Generator Instructions Please read the following scenario and answer the questions below. Use the data set below to complete this assignment. You may create your assignment using either Microsoft Word or Excel Scenario When playing a board game often six-sided dice are used. The numbers 1 through 6 appear on each side of the dice. Each number

Last name: Enter your LETTER answers HERE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 First name: Note: When done, using your last name and firstname, save THIS FILE as, e270Lastname Firstname HW7 (No space between E270 and Last name) E-mail to stowfig@iupui.edu as an attachment. Example: e270Smith Adam HW7 e270 Smith Adam HW7 YES NO PAY

complete parts (a) and (b) using the probability distribution below. The number of overtime hours worked in one week per employee Overtime hours 0 1 2 3 4 5 6 Probability 0.0210.021 0.0780.078 0.1610.161 0.2800.280 0.2440.244 0.1500.150 0.0670.067 Find themean, variance, and standard deviation of the probability distribution.

As preparation for the final research paper, formulate a theory about the correlation between measurable independent variables (causes) and one measurable dependent variable (the effect). Be sure to have at least two independent variables for proposed research paper. The topic proposal should include the following four items which serve as the

A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a homework assignment in science. A second sample of 100 different students was asked the same question for an assignment in history. Forty-three students in the first sample and 47 students in the second sample replied that they

Finding thebetter model In a statistics class last spring the students measured their height, their arm span (finger tip to finger tip), and the length of their forearm (elbow to finger tip). All distances were measured in inches. We collected data to answer this question: which is a better predictor of someone's height, their arm span or their

The sales price of a car is $12,590, which is 20% off the original price. What is the original price

A child running along level ground at the top of a30-ft-high vertical cliff at a speed of15ft/s, throws a rock over the cliff into the sea below. Suppose the child's arm is3ft above the ground and her arm speed is25ft/s. If the rock is released10ft from the edge of the cliff at an angle of30, how long does it take for the rock to hit the water?

show that if vector u+v and vector u-v are orthogonal, they must be the same length

Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and comparethe widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. DENTAL VISITS: In a survey of 674 US males ages 18-64, 396 say they have gone to the dentist in the past year.

A particle, originally at rest and located at point (3 ft, 2 ft, 5 ft),is subjected to an acceleration ofDetermine the particles position (x, y, z) at t = 1 s. a = (6ti + 12t^2k) ft/s^2.

The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the number of days of vacation taken is less than 10 days? More than 21 days?

Focus in on the role of residuals. This technique requires us to examine residuals and how each residual data point varies from a "best fit" straight line. For this question, in 250 words or more please respond to the following. Using peer-reviewed journal and cite in APA format: What are the implications of a scholarly author presenting a

Week 2 Project - STAT 3001 Student Name: Michal Darlene Udoh Date: 03/14/15 Instructions: To complete this project, you will need the following materials: STATDISK User Manual (found in the classroom in DocSharing. Click on \"+\" under the word \"Index\" on the right side of the Doc Sharing page to see all links to my previous posts there) Access

The acceleration a of a particle is given by the equation a = 3 t . If the velocity v = 6 m/s at t = 1 second, and the displacement s = 12 m at t = 1 second, find s when t = 2 seconds.

Textbook is Designing and Managing the Supply Chain by Simchi Levi 3rd Edition Please answer and attach excel spreadsheet for Chapter 4Discussion Question # 2 of the Simchi Levi textbook What is the best procurement strategy? Summary of questions but limited to include probability table Demand 800 1000 1200 1400 1600 1800 Prob 0.11 0.11 0.28 0.22

In 2013 the Barna Group posted a study of giving in the U.S. and indicated thatin 2009 roughly 7% of all Americans tithed. It is thought that the economic crisisin 2010 and 2011 may have significantly impacted the percentage of Americanswho tithe. In a random sample of 592 adults, 34 self-reported tithing duringthe last year. Is this significant

A study found that highway drivers in one state traveled at an average speed of 55.5miles per hour (MPH). Assume the population standard deviation is 7.0MPH. Complete parts a through d below. a.What is the probability that a sample of 30 of the drivers will have a sample mean less than 54 MPH?Upper P left parenthesis x overbar less than 54 right

TheGraduateRecordExam(GRE)hasacombinedverbalandquantitativemeanof1000andastandarddeviationof200.Scoresrangefrom200to1600andareapproximatelynormallydistributed.Foreachofthefollowingproblems: Belowwhatscoredothebottom16%ofthetest-takersscore?

Foundations of Business Statistics - Professor Fluture Materials from Professor Friedman HOMEWORK - REGRESSION REGRESSION In simple regression (one X variable and one Y variable), there are three ways to test for significance. All three tests are equivalent and give the same results. You can test the regression for significance by examining the

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Grafton Metalworks Company Ore 1 2 3 4 5 6 A 0.19 0.43 0.17 0.2 0 0.12 Composition constraints Impurity constraint Decision variables Metal (%) B C 0.15 0.12 0.1 0.25 0 0 0.12 0 0.24 0.1 0.18 0.16 A B C D D Metal Ore 1 2 3 4 5 6 Objective function Minimize Cost ($) D 0.14 0.07 0.53 0.18 0.31 0.25 >=

suppose you want to estimate a population proportion p to within 0.01 with probability 0.95. How large a sample size n do you need?

The table lists the smoking habits of a group of college students. Sex Non-smoker Regular Smoker Heavy Smoker Total Man 135 41 5 181 Woman 187 21 12 220 Total 322 62 17 401 If a student is chosen at random, find the probability of getting someone who is a man or a woman. Round your answer to three decimal places. A) 1 B) 0.918 C) 0.803 D) 0.197

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If exactly192people sign up for a charter flight, Leisure World Travel Agency charges$288/person. However, if more than192people sign up for the flight (assume this is the case), then every fare is reduced by $1 times the number of passengers above192. Determine how many passengers will result in a maximum revenue for the travel

A recent study found that 61%of workers between the ages of 20-29 cash out their retirement accounts when they lose their jobs or move to a new employer. Complete parts a through e below based on a random sample of 14workers between the ages of 20-29 who lost their jobs or changed employers. a. What is the probability that exactly 10 workers

Telephone calls enter a college switchboard at a mean rate of 2/3 call perminute according to a Poisson process. LetXdenote the waiting time until the tenthcall arrives. a)What is the pdf of X? b) Find the MGF, mean and variance of X?

(Multiple Answers) Which of the following is not a necessary requirement for using the t-distribution for a hypothesis test concerning . A. Sample is a simple random sample B. The population is normally distributed C. The population standard deviation is unknown D. The sample size is greater than 30

MPH 612: Statistical Reasoning for Public Health (Biostatistics I) Galadima Homework #7 Due: Monday, April 18 at 10 pm 1. Explain the difference between a test of independence and a test of homogeneity. 2. When do researchers use the Fisher exact test rather than the chi-square test? For each of the following exercises, indicate whether a null

Scatter Plot of DVD Revenue vs Gross 100 90 80 70 f(x) = 0.1631435397x + 4.8444852031 R = 0.5122991632 60 DVD Revenue 50 40 30 20 10 0 0 50 100 150 200 250 Gross 300 350 400 450 Gross DVD Revenue 381.01 94.43 352.39 44.78 254.46 35.39 241.06 17.86 210.03 30.63 191.45 73.12 181.03 19.85 176.76 27.03 176.65 21.49 169.21 52.75 169.5 54.59 165.25

1 Question 1 The following data were collected in a clinical trial to compare a new drug to a placebo for its effectiveness in a lowering total serum cholesterol. Generate a 95% confidence interval for the difference in mean total cholesterol levels between treatments. Men (SD) Total New Drug (n=75) 185.0 (24.5) Placebo (n=75) 204.3 (21.8) Total

Suppose you fit the first order multiple regression model Y = B 0 + B 1 X 1 + B 2 X 2 + e to n = 25 data points and obtain the prediction equation y hat = 6.4 + 3.1 X 1 + .92 X 2 the estimate standard deviation of the sampling distribution of B hat 1 and B hat 2 are 2.3 and .27 respectively. A) H 0 : B 1 = 0 against H a : B 1 > 0.Use alpha = .05

Question 12 (7.5 Marks) The Pap smear is the standard test for cervical cancer. The false-positive rate is 0.636; the false negative rate is 0.180. Family history and age are factors that must be considered when assigning the probability of cervical cancer. Suppose that after obtaining a medical history, a physician determines that the proportion

Suppose that a two-tailed hypothesis test is performed and the right hand critical value is less than the decision or test statistic. Then you should

The travel-to-work time for residents of the 15 largest cities in the United States is reported in the 2003 Information Please Almanac. Suppose that a preliminary simple random sample of residents of San Francisco is used to develop a planning value of 6.25 minutes for the population standard deviation. If we want to estimate the population mean

Let E, F, G be events in a sample space S. We say that two events E and F are conditionally independent given G if P (E F |G) = P (E|G)P (F |G). (a) If E and F are independent events, are E and F necessarily conditionally independent given G? Provide a proof or counterexample to justify your answer. (b) If E and F are conditionally independent

Consider x^(2/2) here are three reasonable ways of viewing this: 1) x^1 = x (since 2/2 = 1) 2) (sqrt(x))^2 = (x^(1/2))^2 3) sqrt(x^2) = (x^2)^(1/2) But these are not the same! Can you find an x that causes trouble? What is to be learned from this

Six hundred adults were asked whether or not they watch for calories and fat content when they buy groceries. The following table gives the two-way classification of their responses, whereyesmeans that an adult watches for calories and fat content andnomeans he/she does not watch. Yes No No Opinion Men 72 172 56 Women 105 129 66 Give exact answers

find the indicated z score. the graph depicts the standard normal distribution with mean 0 and standard deviation 1. the graph shows 0.9633

A genetic experiment with peas resulted in one sample of offspring that consisted of 445 green peas and 162yellow peas. a. Construct a 90%confidence interval to estimate of the percentage of yellow peas. b. It was expected that25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not25%, do the results

Doug has defined the event It will rain like this: Today, it will either rain, or it will not, but not both. He calls the weather service and they say that it will rain today with probability 0.6, Which Doug, for the moment accepts. Doug knows that Cathy is extremely inaccurate about predicting the weather. He believes that if it is not going to

The breaking strengths of cables produced by a certain manufacturer have a mean, , of 1875 pounds, and a standard deviation of 60 pounds. It is claimed that an improvement in the manufacturing process has increased the mean breaking strength. To evaluate this claim, 44 newly manufactured cables are randomly chosen and tested, and their mean

Discuss one (1) project where you used a problem-solving approach to address what turned out to be common-cause variation, or where you used a process improvement approach to deal with a special cause.If you do not have a personal experience that echoes either of these situations, you may use Internet to search for a case that reflects either of

If the values of transactions in a store, X, are distributed()71.3,5.76XN then the probability that a transaction taken at random from this population will be less than $70 will be? How do you solve this question?

1 Improving the productivity of chickens. Farmers have discovered that more domestic chickens peck at objects placed in their environment, the healthier and more productive the chickens seem to be. White string has been found to be a particularly attractive pecking stimulus. In one experiment, 72 chickens were exposed to be a sting stimulus.

Of 128 adults selected randomly from one town, it is found that 33 of them smoke. Construct a 99% confidence interval for the true percentageof all adults in the town that smoke. a. 16.8% < p < 34.8% b. 18.2% < p < 33.4% c. 15.8% < p < 35.7% d. 19.4% < p < 32.2%

Basic Statistics for the Health Sciences Home Work chapter 5 5.4 A couple is planning to have three children. Find the following probabilities by listing all possibilities and using equation 5.r a) 2 boys and one girl b) At least one boy c) No girls d) At most 2 girls e) Two boys follow by a girl 5.10 If an individual were chosen at random from

The brick making machine used by a company has four components (A, B, C and D) which cost R500000 each to replace. The probabilities of the components A, B, C and D failing in the next month are 0.1, 0.2, 0.3 and 0.2, respectively. Assuming that the event of one component failing is independent of the event of any other failing in the next month

Using the Appendix table for standard normal distribution find the area under the curve to the left ofz = -1.25

According to the Information Please Almanac, 78% of adult smokers started smoking before turning 18 years old. Suppose 8 smokers 18 years old or older are randomly selected and the number of smokers who started smoking before 18 is recorded. Use the cumulative probabilities found in part c to answer parts d-g. Round answers to 4 decimal places.

Chapter 03, Testbank, Question 027-029 The temperatures (in degrees Fahrenheit) observed during seven days of summer in Los Angeles are: 78 99 68 91 103 75 85 The range of these temperatures is: The variance of these temperatures, rounded to three decimals, is: The standard deviation, rounded to three decimals, of these temperatures is: Warning

1-Why do most of the sample means differ somewhat from the population mean? What is this difference called? 2-What is the standard deviation of the sample means called? What is the formula for this standard deviation? 3-Teachers Salaries in Connecticut The average teachers salary in Connecticut (ranked first among states) is $57,337. Suppose that

Question 1 (1 point) A personnel manager gives an aptitude test to all applicants for a job. 70% of all applicants pass the test. If 8 people apply for the job, determine the probability that at most 3 of them fail the test. Question 1 options: .0113 .5518 .0580 .8059 Save Question 2 (1 point) Which of the following statements is INCORRECT about

______1. A random sample of 60 items is taken producing a sample mean of 25 and a sample standard deviation of 12.25. What is the value for 95% confidence interval to estimate the population mean? ______2. a. 23.3844 24.8966 c. 28.3541 29.1359 b. 24.1144 25.8856 d. 25.8252 26.5478 Thirty trials are conducted in the Bernoulli process in which the

A restaurant chain routinely surveys customers and among other questions asks each customer whether he or she would return and to rate the quality of food. Summarizing hundreds of thousands of questionnaires produced this table of joint probabilities. Customer Will Customers Will Ratings Return Not Return Poor .02 .10 Fair .08 .09 Good .35 .14

The surface area of a right-circular cone of radius r and height h is S = r sqrt ( r^ 2 + h^ 2 ) , and its volume is V =( 1/ 3) r^ 2 h . if S= 8, and I want a max V, what is r and h?

3. Show a separate graph of the constraint lines and the solutions that satisfy each of the following constraints: a. 3A + 2B -s 18 b. 12A + 8B 2: 480 c. SA + lOB = 200 9. Identify the feasible region for the foll~wing ~et of constraints: . 3A-2B2: 0 2A - IB :S200 lA -s ISO A,B>O 1L Solve the following linear program using the graphical solution

What if the efficiency of sample information are above 100%? Will it imply that the decisions in decision tree are not independent?

Let the random variable X follow a normal distributionwith = 50 and 2 = 64. The probability is 0.05 that X is in the symmetricinterval about the mean between which twonumbers?

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A tangent is drawn to the graph of the function, f (x) = x^3 sqrt(9 - 2x) , at the point where x = 4. Determine which of the following points the tangent passes through: (a) (10,-10) (b) (5,52) (c) (12,-32) (d) (6,40)

For each of the following, decide whether the mean, median, or mode would be the most useful measure of central tendency . Explain each answer with at least one complete sentence. ( no explanation no points) Calculations are not necessary. a) The following table gives the results of a survey in which 2,400 consumers were asked to indicate which

Help!!! Every home football game for the pas eight years at Eastern Stae University has been sold out. The revenues for ticket sales are significant, but the sale of food, beverages, and souvenirs has contributed greatly to the overall profitability of the football program. One paritcular souvenir is the football program. One particular souvenir

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Miles Recorded by 120 Salesman 403 423 435 444 452 462 474 490 415 416 418 419 420 421 421 407 424 435 444 453 462 474 493 430 431 432 432 433 433 434 407 424 436 445 453 462 475 494 439 440 440 441 442 442 443 408 425 436 446 453 463 476 495 449 450 450 451 451 451 452 410 426 436 447 454 464 477 497 457 457 458 459 459 460 460 1) Use Excel to

The red blood cell counts (in 10 5 cells per microliter) of a healthy adult measured on 6 days are as follows: 55, 51, 52, 49, 50, 49 Find the standard deviation of this sample of counts. Round your answer to at least two decimal places.

Listed below are the measured amounts of lead (in micrograms per cubic meter)in the air. The measurements shown below were recorded at Building 5 of theWorld Trade Center site on different days following Sept 11, 2001. After thecollapse of the two World Trade Center buildings, there was considerable concernabout the quality of the air. Use a 0.05

A firm sends questionnaires to two different companies. Based on historical evidence, the firm believes that each company, independently of the other, will return the questionnaire with a probability of 0.30. What is the probability that both questionnaires will be returned?

Consider the uniform distribution shown below. All of the following is correct except: The sum of the probabilities is 1. The area under the curve is 1. The probability that x is greater than 6 is 0.5. The probability that x is greater than 2 is 0.125. All of the following describe a standard normal distribution curve except: The values are spread

These are Calculus Multiple Choice and Short AnswerQuestions. Thanks

The steak and chop butcher shop purchases steak from a local meatpacking house. The meat is purchased on Monday at $2.00 per pound, and the shop sells the steak for $3.00 per pound. Any steak left over at the end of the week is sold to a local zoo for $.50 per pound. The possible demands for steak and the probability of each are shown in the

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Model 1: Y=Wage X=Age, Age squared, Female, the Education variables, Temp, and Training Model 2: Y=ln(Wage) X=Age, Age squared, Female, the Education variables, Temp, and Training Model 2 Regression output is given as follow: ^ ln (Wage) = b0 + b1Age - b2Age Squared - b3Female - b4Lowedu - b5Interedu - b6Temp + b7Training ^ ln (Wage) = 1.531800763

Modeling and Simulation in Chemical Engineering, Assignment 2 1 Due date: October 23, 2015 Note: you must hand in your assignment at the beginning of class on the due date. Dimensional Analysis Problem 1. (50 points) Table 1. shows governing variables for the flow of fibers suspended in water through a pipeline and for the measurement of their

Page 1 of 3 MGMT 650 Fall 2016 Problem Set 3 (Last updated 10/25/2016) 1. Confidence Interval: Compute a 95% confidence interval for the population mean, based on the sample numbers 21, 22, 33, 34, 25, 26, and 139. Change the last value to 29 and re-compute the confidence interval. What is an outlier and how does it affect the confidence interval?

MATH 251 Spring 2014 Final Exam Simon Fraser University 23 April 2014, 7:00-10:00pm Instructor: Weiran Sun Last Name: First Name: SFU ID: @sfu.ca Signature: Instructions Question Maximum 1. Please do not open this booklet until invited to do so. 1 5 2. Write your last name, first name(s) and SFU ID in the box above in block letters, and sign your

2 - additional (not on Wiley) - due Thursday, Oct 6 Problem 1 (SSxx =Sxx, SSyy=Syy, SSxy=Sxy different notation ) Problem 2. The following table gives the temperatures(X) (in degrees Fahrenheit) at 6 P.M. and the attendance (Y) (rounded to hundreds) at a minor league baseball team's night games on 7 randomly selected evenings in May. Temperature

MATHEMATICAL STATISTICS QUESTION: 1) Suppose that X1, . . . , Xn form a random sample of size n from the uniform distribution on the interval [0, ] and thatand that Y(n) = max(X1, . . . , Xn).Suppose Y(n) is an estimator for parameter . Find MSE(Y(n)). MSE stands for mean squared error. 2) Is the estimator in the previous problem an unbiased

Randomly selected students participated in an experiment to test their ability to determine when one minute (or sixty seconds) has passed. Forty students yielded a sample mean of 58.2 seconds. Assuming that sigmaequals=8.8 seconds, construct and interpret a 90 % confidence interval estimate of the population mean of all students.

According to a recent newspaper report the average starting salary for recent graduates in Electrical Engineering is at least $62,450. The Placement Director at Supreme State University would like to test the accuracy of the newspaper report. Thus, he took a random sample of 20 recent graduates in Electrical Engineering and recorded the following

The test scores on a 100-point test were recorded for 20 students: 71 93 91 86 7573 86 82 76 5784 89 67 62 7277 68 65 75 84 a. Can you reasonably assume that these test scores have been selected from a normal population? Use a stem and leaf plot to justify your answer. b. Do the sample data suggest that the average test score is more than 75? Use

integral function ((e^(5x))/((4-e^(10x))^(1/2)) , u=(e^(5x))/2 . hence solve the integral as function of u, and constant of integration C.

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the better business bureau settled 80% of complaints they received in 2012. suppose you have been hired by the better business bureau to investigate the complaints they received this year involving new card dealers. you plan to select a sample of new car dealer complaints to estimate the proportion of complaints the better bureau is able to

Hello! I need to figure out which statistical analysis I need to carry out for each of the following scenarios... Context:Suppose you are employed by an online dating company and have been given the task of seeinghow responses to a Machiavellian personality testaffect your companys compatibility ratings forits members. Your employer wantsyou to

The points P ( a(p^2) | 2ap ) and Q ( a(q^2) | 2aq ) lie on the parabola with equation y^2 = 4ax. The tangents to the parabola at P and Q meet at R [ apq | a(p+q) ]. Show that the area of triangle PQR is 1/2 * a^2 |p-q |^3 . Please show every step and write the method usedplease. Thank you.

Linear Programming Case Study Your instructor will assign a linear programming project for this assignment according to the following specifications. It will be a problem with at least three (3) constraints and at least two (2) decision variables. The problem will be bounded and feasible. It will also have a single optimum solution (in other

Researchers wished to know if they could conclude that two populations of infants differ with respect to mean age at which they walked alone. The following data (ages in months) were collected Sample from population A: 9.5, 10.5, 9.0, 9.75, 10.0, 13.0, 10.0, 13.5, 10.0, 9.5, 10.0, 9.75 B: 12.5, 9.5, 13.5, 13.75, 12.0, 13.75, 12.5, 9.5, 12.0, 13.5,

5.2 The following table contains the probability distribution for the number of traffic accidents daily in a small city: Number of Accidents Daily (X) P1X = xi2 0 0.10 1 0.20 2 0.45 3 0.15 4 0.05 5 0.05 a. Compute the mean number of accidents per day. b. Compute the standard deviation. 5.10 If n=5 and =40 what is the probability that a. X = 4? b.

Consider the following returns for two investments, A and B, over the past four years: Investment 1: 4% 9% 8% 13% Investment 2: 15% 12% 14% 10% a-1. Calculate the mean for each investment.(Round your answers to 2 decimal places.) Mean Investment 1 percent Investment 2 percent a-2. Which investment provides the higher return? Investment 1

1. Which of the following is not an assumption underlying testing and measurement? a. Various approaches to measuring aspects of the same thing can be useful b. Error is rarely present in the measurement process c. Present-day behavior predicts future behavior d. Testing and assessment benefit society 2. Systematic error is associated with: a.

I need an example of a multiple linear regression problem with one dependent variable and five independent variables, dealing with sports - NFL football. I also need the detailed solution in an excel spreadsheet.

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