Mathematics problem solving

(B) You currently work for an automotive parts supply store. Your company is gro

(B) You currently work for an automotive parts supply store.  Your company is growing and is considering expansion.  The company currently has three locations (North, South, and C…

(BIO STATS) It has been long observed that large areas have more species than sm

(BIO STATS) It has been long observed that large areas have more species than smaller areas, whether the areas are habitat patches, islands, counties, or continents. This positive…

(Based on Angrist and Pischke, “Mostly Harmless Econometrics”. Princeton U. Pres

(Based on Angrist and Pischke, “Mostly Harmless Econometrics”. Princeton U. Press, 2009, Chapter 2) A substantial proportion of elderly population uses hospital emergency rooms, w…

(Based on Knight, Physics for Scientists and Engineers) You’ve taken a summer jo

(Based on Knight, Physics for Scientists and Engineers) You’ve taken a summer job at a water park. In one stunt, a water skier is going to glide up a 2.0-m-high, 10.0 m long ramp,…

(Based on McQuarrie 20-20) For an ensemble of A distinguishable, isolated system

(Based on McQuarrie 20-20) For an ensemble of A distinguishable, isolated systems with j states of the same energy, we learned that the number of ways of having ai systems in stat…

(Basic Mechanical Equilibrium) Can you show me how to do this step by step? I am

(Basic Mechanical Equilibrium) Can you show me how to do this step by step? I am probably doing it wrong. I will very much appreciate a thorough answer. Here is what I have. Let m…

(Besides the golden ratio) I\'d like to do something with the human body or spac

(Besides the golden ratio) I'd like to do something with the human body or space. I need to come up with an idea including 2-3 practice problems or 1 big problem that will fit a p…

(Biological Data analysis) All work must be done in R programing In this study a

(Biological Data analysis) All work must be done in R programing In this study automated versus manual methods of measuring diastolic blood pressure (DBP) were compared. In this s…

(Biological Data analysis) All work must be done in R programing. -#6 (Simulatio

(Biological Data analysis) All work must be done in R programing. -#6 (Simulation) – Set the random number seed to 0 and draw a random sample of size 1000 from X ~ N(0,1) and Y ~ …

(Biological Data analysis) All work must be done in R programing. Suppose we per

(Biological Data analysis) All work must be done in R programing. Suppose we perform an experiment crossing flowers of two genotypes that produce progeny with white flowers (reces…

(Birthday attack) A birthday attack is a type of cryptographic attack that explo

(Birthday attack) A birthday attack is a type of cryptographic attack that exploits the mathematics behind the birthday problem in probability theory. It can be used to find colli…

(Bivariate Regression) Andrew was interested in determining if the number of hit

(Bivariate Regression) Andrew was interested in determining if the number of hits by a hammer impacted the depth of bury of sheet piling. He conducted an experiment with 10 sheet …

(Bivariate Regression) Andrew was interested in determining if the number of hit

(Bivariate Regression) Andrew was interested in determining if the number of hits by a hammer impacted the depth of bury of sheet piling. He conducted an experiment with 10 sheet …

(Bonus 2.) We discussed early in the semester that arithmetic is well-defined on

(Bonus 2.) We discussed early in the semester that arithmetic is well-defined on equivalence classes of rational numbers, e.g., that even if you replace by an equivalent form like…

(BusinessWe lation TmCaln. 27. Business Week conducted a survey of graduates fro

(BusinessWe lation TmCaln. 27. Business Week conducted a survey of graduates from 30 top MBA programs or male September 22, 2003). On the basis of the survey, assume that the mean…

(By the way - writing a \"short report\" should just consist of answering the qu

(By the way - writing a "short report" should just consist of answering the question after viewing the data and performing the regression.) 8.3 and 8.4 (Petruccelli) see the graph…

(C Suppose that a day\'s production of 850 manufactured parts are selected at ra

(C Suppose that a day's production of 850 manufactured parts are selected at random, Sampling Without Replocement contains 50 parts that do not conform to customer requirements. T…

(C) Which group has a higher Math IQR, according to JMP? (You can change what su

(C) Which group has a higher Math IQR, according to JMP? (You can change what summary statistics are output by clicking the red triangle by Summary Statistics and selecting "Custo…

(C) Which group has a higher Math IQR, according to JMP? (You can change what su

(C) Which group has a higher Math IQR, according to JMP? (You can change what summary statistics are output by clicking the red triangle by Summary Statistics and selecting "Custo…

(CLT for averages, unknown underlying distribution) The average monthly rental p

(CLT for averages, unknown underlying distribution) The average monthly rental price of a one-bedroom apartment in Bellingham is $804, with a standard deviation of $139. The distr…

(COMPUTER SCIENCE) Please show codes and screenshots, using MATLAB ONLY.. Below

(COMPUTER SCIENCE) Please show codes and screenshots, using MATLAB ONLY.. Below are service times for two different cashiers. Cashier 1: 4.1, 1.6, 2.9, 4.0, 3.7, 1.8, 2.6, 2.4, 2.…

(CS application: algorithms) One of the properties of matrix multiplication is t

(CS application: algorithms) One of the properties of matrix multiplication is that it is associative. That is, if we have matrices A , B , and C with dimensions that allow them t…

(CS application: algorithms)One of the properties of matrix multiplication is th

(CS application: algorithms)One of the properties of matrix multiplication is that it is associative. That is, if we have matrices A,B, and C with dimensions that allow them to be…

(CS application: algorithms)One of the properties of matrix multiplication is th

(CS application: algorithms)One of the properties of matrix multiplication is that it is associative. That is, if we have matrices A,B, and C with dimensions that allow them to be…

(CS) test Suppose that a researcher, using data on class size from 100 third-gra

(CS) test Suppose that a researcher, using data on class size from 100 third-grade classes, estimates the OLS regression and average scores 4.1 TestScore-5204-582 (20.4) (2.21) Te…

(Calculating portfolio variances) Marge owns three stocks, Apple (AAPL), Google

(Calculating portfolio variances) Marge owns three stocks, Apple (AAPL), Google (GOOG) and Facebook (FB). She expects the price per share of each stock one month from now to be 12…

(Calculating portfolio variances) Marge owns three stocks, Apple (AAPL), Google

(Calculating portfolio variances) Marge owns three stocks, Apple (AAPL), Google (GOOG) and Facebook (FB). She expects the price per share of each stock one month from now to be 12…

(Capture-recapture estimate) The capture-recapture method may be used to estimat

(Capture-recapture estimate) The capture-recapture method may be used to estimate the size of a wildlife population. Sippose there are N animals in an area. The number N is unknow…

(Ch.1, q.2) Need answer A study of more than 51,000 US nurses found that those w

(Ch.1, q.2) Need answer A study of more than 51,000 US nurses found that those who drank just one soda or fruit punch a day tended to gain more weight and had an 83% increased ris…

(Ch.1, q.9) need answer A machine that cuts corks for wine bottles operates in s

(Ch.1, q.9) need answer A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a nor…

(Ch.4, Q.1) need answer: An experiment to study the lifetime (in hours) for a ce

(Ch.4, Q.1) need answer: An experiment to study the lifetime (in hours) for a certain type of component involved putting 10 components into operation and observing them for 100 hr…

(Ch.4, Q.2) need answer for 2 points An instructor has graded 28 exam papers sub

(Ch.4, Q.2) need answer for 2 points An instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible s…

(Ch.4, Q.2) need answers An instructor has graded 28 exam papers submitted by st

(Ch.4, Q.2) need answers An instructor has graded 28 exam papers submitted by students in a class of 29 students, and the average so far is 67. (The maximum possible score is 100.…

(Ch.4, Q.5) need answer: Based on a large national sample of working adults, the

(Ch.4, Q.5) need answer: Based on a large national sample of working adults, the U.S. Census Bureau reports the following information on travel time to work for those who do not w…

(Ch.4, Q.6) need answer for first blank, I got 69% which is wrong, correct answe

(Ch.4, Q.6) need answer for first blank, I got 69% which is wrong, correct answer for 2nd blank is 16% In a study investigating the effect of car speed on accident severity, 5000 …

(Ch.4, Q.7) need answer: Mobile homes are tightly constructed for energy conserv

(Ch.4, Q.7) need answer: Mobile homes are tightly constructed for energy conservation. This can lead to a buildup of indoor pollutants. The paper "A Survey of Nitrogen Dioxide Lev…

(Ch.4, Q.9) need answers: A sample of concrete specimens of a certain type is se

(Ch.4, Q.9) need answers: A sample of concrete specimens of a certain type is selected, and the compressive strength of each specimen is determined. The mean and standard deviatio…

(Challenge exercise) Geno (the women’s basketball coach for UConn) goes to the g

(Challenge exercise) Geno (the women’s basketball coach for UConn) goes to the grocery store and finds that Wheaties is placing pictures of UConn women’s basketball players inside…

(Challenge exercise) Geno (the women’s basketball coach for UConn) goes to the g

(Challenge exercise) Geno (the women’s basketball coach for UConn) goes to the grocery store and finds that Wheaties is placing pictures of UConn women’s basketball players inside…

(Chapter 8) Question # 1: In this study, two independent, random samples with in

(Chapter 8) Question # 1: In this study, two independent, random samples with interval/ratio data were collected. In Group 1, a random sample of 133 primary hypertension (PH) pati…

(Choose all the correct answers, Note that points are deducted for each wrong an

(Choose all the correct answers, Note that points are deducted for each wrong answer) The following is true for r2 1. It is obtained by squaring the correlation coefficient 2. The…

(Circle the correct response) The distribution used when testing the overall sta

(Circle the correct response) The distribution used when testing the overall statistical significance of a simple linear regression model is the a. Standard Normal distribution b.…

(Circle the correct response) The distribution used when testing the statistical

(Circle the correct response) The distribution used when testing the statistical significance on an independent variable in a multiple regression is the a. Standard Normal distrib…

(Circle the correct response) The purpose of the F Test in simple linear regress

(Circle the correct response) The purpose of the F Test in simple linear regression is to test for a. independence of variables b. statistical significance of the dependent variab…

(Circular Permutations) In how many ways can 7 people { A, B, C, D, E, F, G } be

(Circular Permutations) In how many ways can 7 people { A, B, C, D, E, F, G } be seated at a round table if (a) A and B must not sit next to each other; (b) C, D, and E must sit t…

(Clearly show work and/or provide reasoning to receive credit) 3.] A ball fasten

(Clearly show work and/or provide reasoning to receive credit) 3.] A ball fastened to a cable is revolving in the vertical plane. The ball has a mass of 4kg. The eirele of motion …

(Combinations) Consider the following problem: \"From an ordinary deck of 52 car

(Combinations) Consider the following problem: "From an ordinary deck of 52 cards, seven cards are drawn at random and without replacement. What is the probability that at least o…

(Combinatorics math question) A school is preparing the schedule of classes for

(Combinatorics math question)A school is preparing the schedule of classes for the next academic year. They are concerned about scheduling calculus, physics, English, statistics, …

(Combinatorics) You have 3 t-shirts, 5 pairs of shorts, and 2 pairs of shoes. Yo

(Combinatorics) You have 3 t-shirts, 5 pairs of shorts, and 2 pairs of shoes. You want to go to the beach but the sign says "No shirt, no shoes, no service," (note that it does no…

(Computers and statistical analysis) Please answer #4 and DO NOT USE SPSS OR EXC

(Computers and statistical analysis) Please answer #4 and DO NOT USE SPSS OR EXCEL! Wllllll leading your printouts, you can to the you can implement a series of logic checks t low…