Mathematics

The probability of an event can be determined in theory as well as in practice. In this project, you will use the formulas and methods in your readings to determine the theoretical probability. You will then conduct an experiment to see if the outcomes match what you expect to find with the theoretical probability.   In this project you will: be able to calculate and interpret probability be able to analyze and compare theoretical and experimental probabilities   To complete this project you will: Complete the Probability Report Worksheet to guide you in writing your APA report. Be sure to show all work! Complete a 2-page, double-spaced, APA-formatted report. In the report you need to present your findings and explain your conclusions on experimental and theoretical probability.  Thoughts to include in the report include: How are theoretical and experimental probability different? Why might the theoretical probability not match the experimental probability? Be sure to cite your sources for the questions that require sources.

Write a statistical report based on the sample of 50 freight trains in United States. The project consists of two files (1) The sample data are provided in the Excel file under “data” sheet. (2) The results should be reported and analyzed/explained in an Microsoft Word file (report) Your report should have an introduction part that provides brief background information on the freight trains. Then start present your sample results to cover all topics listed below. You should present all results in a logical and organized way. A list of numbers and charts will not earn high scores. (1) A stem-and-leaf plot (with proper keys) to present all sample data (2) A bar graph to summarize the sample data by display a frequency distribution (with proper classes and details) (3) Centers of the sample data – mean and median: discuss in general what they measure and what example results show. (4) Measure the variation of the sample data – standard deviation and range: discuss in general what they measure and what example results show. (5) Discuss if there are any outliers in the sample in a quantitative way (e.g. IQR measure). (6) Explain the meaning of confidence interval for a pouplation mean and present the 90%-confidence interval from this sample. In the end, use a paragraph to close the report.

One paragraph (only describing data) ( it do not need to write intro and conclusion, Just describing a graph) 1. Describe the topic of the table (table name, topic, location, units, years etc.) 2. Describe a general trend. 3. Describe a specific/sub-trend 4. Describe outliers/unique trends Life expectancy at birth in relation to health spending per capita Graph ( Health at a Glance 2017 – graph 3.3 page 49) https://www.oecd-ilibrary.org/docserver/health_glance-2017-en.pdf?expires=1606051866&id=id&accname=guest&checksum=89A7EE9402411E141A4E3007290565B5

Calculate both problems first. then answer three questions below after. Keep it simpleQUESTION 20Macroeconomic Information for Mexico:2020 Q2 GDP (in 2020 Q2 pesos)    4.97 trillion pesos2020 Q1 GDP (in 2020 Q1 pesos)    6.09 trillion pesos2020 Q2 GDP (in 2015 pesos)    3.76 trillion pesos2020 Q1 GDP (in 2015 pesos)    4.54 trillion pesosCalculate Mexico’s real GDP growth rate between the first and second quarters of 2020.(Enter your answer in percent form, rounded to one decimal place, without the percent sign.  For example, if your answer is 0.12345, enter 12.3.)QUESTION 21Macroeconomic Information for Mexico:2020 Q2 GDP (in 2020 Q2 pesos)    4.97 trillion pesos2020 Q1 GDP (in 2020 Q1 pesos)    6.09 trillion pesos2020 Q2 GDP (in 2015 pesos)    3.76 trillion pesos2020 Q1 GDP (in 2015 pesos)    4.54 trillion pesosCalculate Mexico’s inflation, using the GDP deflator method, between the first and second quarters of 2020.(Enter your answer in percent form, rounded to one decimal place, without the percent sign.  For example, if your answer is 0.12345, enter 12.3.)QUESTION 22Based on your answers from #20 and #21, use the aggregate supply/aggregate demand model to explain what is happening in the Mexican economy.  Your answer should indicate which curve is moving and in what direction, as well as how you know this.QUESTION 23Based on your answers from #20 and #21, is Mexico’s short-run aggregate supply curve flat or steep?  How do you know?QUESTION 24What fiscal policy do you recommend that Mexico use to resolve the problem you identified in #23?  Be as specific as possible.  Why?

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Explain the abbreviations in the Equations and give examples on the following Financial Accounting Equations:Find the equations in the attachments.Explain what does each abbreviation mean, where can we get it from and how we solve the equation.

The purpose of this paper is to write a summary about Identifiable Intangible Assets and Subsequent Accounting for Goodwill from the FASB meeting in 15 july 2020https://www.fasb.org/jsp/FASB/FASBContent_C/ProjectUpdateExpandPage&cid=1176171566054&pf=trueWhat is the purpose of this meeting?What are the updates?And why they want to update the goodwill codification?I have attached PowerPoint slides that could help in finding some information about it.

Given a dataset of 40 items attached (Data_assignment1.csv bellow), where the left column is the independent variable (x) and the right column is the dependent variable (y). Question 1 (5 mark)Use the gradient descent method to fit a linear regression function (i.e., f(x)=?0+?1×1) to the data, where the learning rate is set to 0.01, and the number of iterations is 10,000. Here you need to report the estimated function (i.e., ?0 and ?1 ) and its corresponding mean squared error on the dataset.Question 2 (5 marks)Use the gradient descent method to fit a 3-order polynomial regression function (i.e., f(x)=?0+?1x+?2×2+?3×3) to the data. You are free to choose learning rate and the number of iterations as long as it achieves a reasonable fit. Here you need to report the estimated function and its corresponding mean squared error, along with the learning rate and the number of iterations you used.Question 3 (15 marks)Let us say that you want to select a model based on the dataset for prediction of new data in future. Answer the two questions below.3.1 (10 marks) Which model (from linear to 5-order polynomial) is the fittest for the dataset? Here you need to give steps of your model selection procedure.3.2 (5 marks) What is your predicted regression function. Here you need to explain briefly how you estimate the function after the model is determined, and to report the estimated function and its corresponding mean squared error, along with the learning rate and the number of iterations you used.You may refer to the following Python code on dividing a dataset into folds for the k-folder cross validation.——————————————————————————–np.random.shuffle(data)  # Shuffle all rowsfolds = np.array_split(data, k)  # split the data into k foldsfor i in range(k): x_cv = folds[i][:, 0]  # Set ith fold for testing y_cv = folds[i][:, 1] new_folds = np.row_stack(np.delete(folds, i, 0)) # Remove ith fold for training x_train = new_folds[:, 0]  # Set the remaining folds for trainingy_train = new_folds[:, 1]

Write a 6–8 page paper in which you: Create an argument supporting that the requirements of SOX have reduced corporate fraudulent activity due to the requirements placed on public accounting firms, thereby providing greater assurances to public users of financial information. Provide support for your argument. Evaluate the issues related to the audit of Satyam Computer Services Limited, indicating whether PWC followed auditing standards in rendering its audit opinion of the company. Provide support for the rationale. Assess whether PWC relied too heavily on the established system of internal controls and neglected to perform sufficient testing of transactions using effective computer-aided audit tools. Provide a rationale for the recommendation.  Analyze whether PWC neglected to sufficiently test transactions or whether it could have relied on the audit of internal control to limited testing in those areas, indicating any consequences related to their decision. Provide support for the conclusion. Support a position for whether PWC met its responsibility of “due care” based on the requirements placed on auditors by PCAOB. Suggest improvements needed to external auditing firms and the accounting profession to reduce the number of audit scandals and fraudulent activity within publicly traded companies. Provide support for suggestions.  Use at least three quality resources in this assignment. Note: Wikipedia and similar websites do not qualify as quality resources.  This course requires the use of Strayer Writing Standards. For assistance and information, please refer to the Strayer Writing Standards link in the left-hand menu of your course. Check with your professor for any additional instructions. The specific course learning outcome associated with this assignment is: Formulate an argument in support of the Sarbanes-Oxley Act (SOX) by assessing the audit of a given company.

Explain the difference between interior and exterior angles of a polygon. Identify two theorems related to angles of a polygon and give an example of an application of each.