Description
x2 - 9/ x2 + 2x - 15
A: x+3/ x+5
B: 3/ 2x+5
C: x-1/ x-6
D: 9/ 15-2x
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Explanation & Answer
A is correct
Numerator (x +3) (x-3)
Denominator (x+5) (x-3)
Cancel off x-3
Completion Status:
100%
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need help with my QRB 501 Week Six Assignment, statistics homework help
Signature Assignment oDue Jul 17, 6:00 PM (PST) oNot Submitted oPOINTS 10 Exercise no new messages Objectives ...
need help with my QRB 501 Week Six Assignment, statistics homework help
Signature Assignment oDue Jul 17, 6:00 PM (PST) oNot Submitted oPOINTS 10 Exercise no new messages Objectives: 6.2 6.4 View more »Expand viewInstructionsAssignment FilesGradingAbout Your Signature Assignment This signature assignment is designed to align with specific program student learning outcome(s) in your program. Program Student Learning Outcomes are broad statements that describe what students should know and be able to do upon completion of their degree. The signature assignment may be graded with an automated rubric that allows the University to collect data that can be aggregated across a location or college/school and used for program improvements. Purpose of Assignment The purpose of this assignment is for students to synthesize the concepts learned throughout the course, provide students an opportunity to build critical thinking skills, develop businesses and organizations, and solve problems that require data. Assignment Steps Case 1: Scenario: Cloud Data Services (CDS), headquartered in Memphis, provides information technology services, specifically application hosting services in the cloud for several clients in the southern United States. CDS hosts software applications on their network servers. While CDS has achieved great success and customers rate CDS's services highly, lately, some customers have been complaining about downtime on one of the primary network servers. The given dataset, found in the Signature Assignment Excel® Template, contains the downtime data for the month of November.Use the data analytics skills learned in Week 3 and analyze the downtime data.Make a short presentation to CDS's management including the following:1.Using used Microsoft® Excel® Pivot Tables, construct a frequency distribution showing the number of times during the month that the server was down for each downtime cause category.2.Develop a bar chart that displays the data from the frequency distribution in part 1.3.Develop a pie chart that breaks down the percentage of total downtime that is attributed to each downtime cause during the month.4.Evaluate the mean, median, standard deviation, and variance of the downtime minutes for the month of November.Case 2:Note: Although you will be studying the concept of CPI in more detail in your ECO/561 class; for the purpose of this case, you need to use the concepts of percentages, percentage increase/decrease, and creating and interpreting line charts to compute the inflation rate in the US economy and determine which time period experienced the highest inflation rate. Follow the steps below to complete this signature assignment: 1.Search for the Federal Reserve Bank of St. Louis (FRED).2.On the home page of the website, you will see a search box.3.Type in CPI- AUCSL in the search box and press the return key.4.The first result of the search will be "Consumer Price Index for All Urban Consumers: All Items." Click on this result link.5.Click on the Download link and download the data in Excel®.6.On the Excel® file, the second column gives you the CPI values for each period starting from 1947.7.Go to the last row and notice the last date and the CPI value. Go back 6 years from this last date. For example, if the last date is 2016-11-01, then the date 6 years ago would be 2010-11-01.8.Copy and paste this six years data into a separate Excel® tab.9.Using Excel®, calculate the percentage change in CPI from a year earlier for each observation, beginning with the observation one year later than the first observation. To make this calculation, click on the blank cell next to the observation corresponding to that date and then use Formula 1, located in the Signature Assignment Excel® Formulas document (note that in Excel®, the symbol for multiplication is *), where t-1 is the first observation and t is the observation one year later. For example, to find the percentage change in CPI from 2010-11-01 to 2010-10-01, refer to Formula 2 located in the Signature Assignment Excel® Formulas document. Convert this value to a percentage in Excel®. Repeat this process for the remaining observations (you can use the copy and paste functions to avoid having to retype the formula).10.This new column contains the national inflation rate.11.Create a line graph of the percentage changes (inflation rates) from a year earlier.12.Which period experienced the highest inflation rate? What was the inflation rate during that period?Format your assignment consistent with APA guidelines. Click the Assignment Files tab to submit your assignment.
FIN 307 Principle of Finance Discussion
Financial decisions, return, risk, and the firm’s value are all related. The world of finance is intertwined ...
FIN 307 Principle of Finance Discussion
Financial decisions, return, risk, and the firm’s value are all related. The world of finance is intertwined in the daily decisions that are made by the organization. For this discussion, consider a key event that is being considered at your company. This could be the launch of a new product, opening another location, etc. In your response, provide specific examples how these areas are related to the decision that the organization must make when deciding whether to move forward with this project.
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ScenarioYou have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the company� ...
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ScenarioYou have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the company’s Pacific region salespeople just returned to the office with a newly designed advertisement. It states that the average cost per square foot of his home sales is above the average cost per square foot in the Pacific region. He wants you to make sure he can make that statement before approving the use of the advertisement. The average cost per square foot of his home sales is $275. In order to test his claim, you collect a sample of 1,001 home sales for the Pacific region.PromptDesign a hypothesis test and interpret the results using significance level α = .05.Use the House Listing Price by Region document to help support your work on this assignment. You may also use the Descriptive Statistics in Exceland Creating Histograms in Excel tutorials for support.Specifically, you must address the following rubric criteria, using the Module Five Assignment Template.Setup: Define your population parameter, including hypothesis statements, and specify the appropriate test.Define your population parameter.Write the null and alternative hypotheses. Note: Remember, the salesperson believes that his sales are higher.Specify the name of the test you will use.Identify whether it is a left-tailed, right-tailed, or two-tailed test.Identify your significance level.Data Analysis Preparations: Describe sample summary statistics, provide a histogram and summary, check assumptions, and find the test statistic and significance level.Provide the descriptive statistics (sample size, mean, median, and standard deviation).Provide a histogram of your sample.Describe your sample by writing a sentence describing the shape, center, and spread of your sample.Determine whether the conditions to perform your identified test have been met.Calculations: Calculate the p value, describe the p value and test statistic in regard to the normal curve graph, discuss how the p value relates to the significance level, and compare the p value to the significance level to reject or fail to reject the null hypothesis.Determine the appropriate test statistic, then calculate the test statistic.Note: This calculation is (mean – target)/standard error. In this case, the mean is your regional mean (Pacific), and the target is 275.Calculate the p value.Note: For right-tailed, use the T.DIST.RT function in Excel, left-tailed is the T.DIST function, and two-tailed is the T.DIST.2T function. The degree of freedom is calculated by subtracting 1 from your sample size.Choose your test from the following:=T.DIST.RT([test statistic], [degree of freedom])=T.DIST([test statistic], [degree of freedom], 1)=T.DIST.2T([test statistic], [degree of freedom])Using the normal curve graph as a reference, describe where the p value and test statistic would be placed.Test Decision: Discuss the relationship between the p value and the significance level, including a comparison between the two, and decide to reject or fail to reject the null hypothesis.Discuss how the p value relates to the significance level.Compare the p value and significance level, and make a decision to reject or fail to reject the null hypothesis.Conclusion: Discuss how your test relates to the hypothesis and discuss the statistical significance.Explain in one paragraph how your test decision relates to your hypothesis and whether your conclusions are statistically significant.Guidelines for SubmissionSubmit the completed Module Five Assignment Template as a Word document that includes your response and supportive charts.
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MAT 205 Ashford University Week 3 Role of Statistics in News Article Discussion
Week 3 - Discussion . Your initial discussion thread is due on Day 4 (Friday) and you have until Day 7 (Monday) to respo ...
MAT 205 Ashford University Week 3 Role of Statistics in News Article Discussion
Week 3 - Discussion . Your initial discussion thread is due on Day 4 (Friday) and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses. Refer to the Discussion Forum Grading Rubric under the Settings icon above for guidance on how your discussion will be evaluated. Week 3 in Your World [WLOs: 1, 2, 3, 4] [CLOs: 1, 2, 3, 4, 5] Prior to beginning work on this discussion, read Chapter 5: Statistical Reasoning and Chapter 6: Putting Statistics to Work in your course text. Research a news article or website that provides data sets and statistical report information such as the United States Census Bureau (Links to an external site.), the U.S. Energy Information Administration (Links to an external site.), the Centers for Disease Control and Prevention’s National Center for Health Statistics (Links to an external site.), or the National Center for Education Statistics (Links to an external site.). Your selected news article or website should provide enough information to allow you to fully answer each of the questions below. For your post, identify your selected news article or website using correct APA formatting followed by your fully developed answers to each of the following: Describe the role of statistics in the news article or report.What was the population of the study?What was the sample?Do you believe the statistical results are believable and meaningful?Use the guidelines mentioned in Chapter 5C to explain why the results are believable and meaningful (or why not).What sorts of statistics (e.g., graphical, non-graphical, hypotheses, correlation, averages, etc.) were used in the report?How was the data distributed?How are distribution and variation important in any statistical study?Was any margin of error mentioned in the report? If no margin of error was mentioned, then assume that it is 2%. Interpret the margin of error in terms of 95% confidence interval. The actual group discussion will function the same as any other discussion. You will only be able to participate and discuss with those peers assigned to your same group. Your initial post should be at least 250 words in length. It should show all the required math work and explain all the steps. Also include a simple reference for any used resource. For example: Washington Post dated August 13, 2018 or retrieved from <url-address>. Your initial discussion thread is due on Day 4 (Friday), and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses. Carefully review the Grading Rubric for guidance on how your discussion will be evaluated.
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need help with my QRB 501 Week Six Assignment, statistics homework help
Signature Assignment oDue Jul 17, 6:00 PM (PST) oNot Submitted oPOINTS 10 Exercise no new messages Objectives ...
need help with my QRB 501 Week Six Assignment, statistics homework help
Signature Assignment oDue Jul 17, 6:00 PM (PST) oNot Submitted oPOINTS 10 Exercise no new messages Objectives: 6.2 6.4 View more »Expand viewInstructionsAssignment FilesGradingAbout Your Signature Assignment This signature assignment is designed to align with specific program student learning outcome(s) in your program. Program Student Learning Outcomes are broad statements that describe what students should know and be able to do upon completion of their degree. The signature assignment may be graded with an automated rubric that allows the University to collect data that can be aggregated across a location or college/school and used for program improvements. Purpose of Assignment The purpose of this assignment is for students to synthesize the concepts learned throughout the course, provide students an opportunity to build critical thinking skills, develop businesses and organizations, and solve problems that require data. Assignment Steps Case 1: Scenario: Cloud Data Services (CDS), headquartered in Memphis, provides information technology services, specifically application hosting services in the cloud for several clients in the southern United States. CDS hosts software applications on their network servers. While CDS has achieved great success and customers rate CDS's services highly, lately, some customers have been complaining about downtime on one of the primary network servers. The given dataset, found in the Signature Assignment Excel® Template, contains the downtime data for the month of November.Use the data analytics skills learned in Week 3 and analyze the downtime data.Make a short presentation to CDS's management including the following:1.Using used Microsoft® Excel® Pivot Tables, construct a frequency distribution showing the number of times during the month that the server was down for each downtime cause category.2.Develop a bar chart that displays the data from the frequency distribution in part 1.3.Develop a pie chart that breaks down the percentage of total downtime that is attributed to each downtime cause during the month.4.Evaluate the mean, median, standard deviation, and variance of the downtime minutes for the month of November.Case 2:Note: Although you will be studying the concept of CPI in more detail in your ECO/561 class; for the purpose of this case, you need to use the concepts of percentages, percentage increase/decrease, and creating and interpreting line charts to compute the inflation rate in the US economy and determine which time period experienced the highest inflation rate. Follow the steps below to complete this signature assignment: 1.Search for the Federal Reserve Bank of St. Louis (FRED).2.On the home page of the website, you will see a search box.3.Type in CPI- AUCSL in the search box and press the return key.4.The first result of the search will be "Consumer Price Index for All Urban Consumers: All Items." Click on this result link.5.Click on the Download link and download the data in Excel®.6.On the Excel® file, the second column gives you the CPI values for each period starting from 1947.7.Go to the last row and notice the last date and the CPI value. Go back 6 years from this last date. For example, if the last date is 2016-11-01, then the date 6 years ago would be 2010-11-01.8.Copy and paste this six years data into a separate Excel® tab.9.Using Excel®, calculate the percentage change in CPI from a year earlier for each observation, beginning with the observation one year later than the first observation. To make this calculation, click on the blank cell next to the observation corresponding to that date and then use Formula 1, located in the Signature Assignment Excel® Formulas document (note that in Excel®, the symbol for multiplication is *), where t-1 is the first observation and t is the observation one year later. For example, to find the percentage change in CPI from 2010-11-01 to 2010-10-01, refer to Formula 2 located in the Signature Assignment Excel® Formulas document. Convert this value to a percentage in Excel®. Repeat this process for the remaining observations (you can use the copy and paste functions to avoid having to retype the formula).10.This new column contains the national inflation rate.11.Create a line graph of the percentage changes (inflation rates) from a year earlier.12.Which period experienced the highest inflation rate? What was the inflation rate during that period?Format your assignment consistent with APA guidelines. Click the Assignment Files tab to submit your assignment.
FIN 307 Principle of Finance Discussion
Financial decisions, return, risk, and the firm’s value are all related. The world of finance is intertwined ...
FIN 307 Principle of Finance Discussion
Financial decisions, return, risk, and the firm’s value are all related. The world of finance is intertwined in the daily decisions that are made by the organization. For this discussion, consider a key event that is being considered at your company. This could be the launch of a new product, opening another location, etc. In your response, provide specific examples how these areas are related to the decision that the organization must make when deciding whether to move forward with this project.
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SNHU Statistics Regional Real Estate Company Question
ScenarioYou have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the company� ...
SNHU Statistics Regional Real Estate Company Question
ScenarioYou have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the company’s Pacific region salespeople just returned to the office with a newly designed advertisement. It states that the average cost per square foot of his home sales is above the average cost per square foot in the Pacific region. He wants you to make sure he can make that statement before approving the use of the advertisement. The average cost per square foot of his home sales is $275. In order to test his claim, you collect a sample of 1,001 home sales for the Pacific region.PromptDesign a hypothesis test and interpret the results using significance level α = .05.Use the House Listing Price by Region document to help support your work on this assignment. You may also use the Descriptive Statistics in Exceland Creating Histograms in Excel tutorials for support.Specifically, you must address the following rubric criteria, using the Module Five Assignment Template.Setup: Define your population parameter, including hypothesis statements, and specify the appropriate test.Define your population parameter.Write the null and alternative hypotheses. Note: Remember, the salesperson believes that his sales are higher.Specify the name of the test you will use.Identify whether it is a left-tailed, right-tailed, or two-tailed test.Identify your significance level.Data Analysis Preparations: Describe sample summary statistics, provide a histogram and summary, check assumptions, and find the test statistic and significance level.Provide the descriptive statistics (sample size, mean, median, and standard deviation).Provide a histogram of your sample.Describe your sample by writing a sentence describing the shape, center, and spread of your sample.Determine whether the conditions to perform your identified test have been met.Calculations: Calculate the p value, describe the p value and test statistic in regard to the normal curve graph, discuss how the p value relates to the significance level, and compare the p value to the significance level to reject or fail to reject the null hypothesis.Determine the appropriate test statistic, then calculate the test statistic.Note: This calculation is (mean – target)/standard error. In this case, the mean is your regional mean (Pacific), and the target is 275.Calculate the p value.Note: For right-tailed, use the T.DIST.RT function in Excel, left-tailed is the T.DIST function, and two-tailed is the T.DIST.2T function. The degree of freedom is calculated by subtracting 1 from your sample size.Choose your test from the following:=T.DIST.RT([test statistic], [degree of freedom])=T.DIST([test statistic], [degree of freedom], 1)=T.DIST.2T([test statistic], [degree of freedom])Using the normal curve graph as a reference, describe where the p value and test statistic would be placed.Test Decision: Discuss the relationship between the p value and the significance level, including a comparison between the two, and decide to reject or fail to reject the null hypothesis.Discuss how the p value relates to the significance level.Compare the p value and significance level, and make a decision to reject or fail to reject the null hypothesis.Conclusion: Discuss how your test relates to the hypothesis and discuss the statistical significance.Explain in one paragraph how your test decision relates to your hypothesis and whether your conclusions are statistically significant.Guidelines for SubmissionSubmit the completed Module Five Assignment Template as a Word document that includes your response and supportive charts.
Algebra Question
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box i ...
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A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 90 pounds. The truck is transporting 55 large boxes and 50 small boxes. If the truck is carrying a total of 4775 pounds in boxes, how much does each type of box weigh?
MAT 205 Ashford University Week 3 Role of Statistics in News Article Discussion
Week 3 - Discussion . Your initial discussion thread is due on Day 4 (Friday) and you have until Day 7 (Monday) to respo ...
MAT 205 Ashford University Week 3 Role of Statistics in News Article Discussion
Week 3 - Discussion . Your initial discussion thread is due on Day 4 (Friday) and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses. Refer to the Discussion Forum Grading Rubric under the Settings icon above for guidance on how your discussion will be evaluated. Week 3 in Your World [WLOs: 1, 2, 3, 4] [CLOs: 1, 2, 3, 4, 5] Prior to beginning work on this discussion, read Chapter 5: Statistical Reasoning and Chapter 6: Putting Statistics to Work in your course text. Research a news article or website that provides data sets and statistical report information such as the United States Census Bureau (Links to an external site.), the U.S. Energy Information Administration (Links to an external site.), the Centers for Disease Control and Prevention’s National Center for Health Statistics (Links to an external site.), or the National Center for Education Statistics (Links to an external site.). Your selected news article or website should provide enough information to allow you to fully answer each of the questions below. For your post, identify your selected news article or website using correct APA formatting followed by your fully developed answers to each of the following: Describe the role of statistics in the news article or report.What was the population of the study?What was the sample?Do you believe the statistical results are believable and meaningful?Use the guidelines mentioned in Chapter 5C to explain why the results are believable and meaningful (or why not).What sorts of statistics (e.g., graphical, non-graphical, hypotheses, correlation, averages, etc.) were used in the report?How was the data distributed?How are distribution and variation important in any statistical study?Was any margin of error mentioned in the report? If no margin of error was mentioned, then assume that it is 2%. Interpret the margin of error in terms of 95% confidence interval. The actual group discussion will function the same as any other discussion. You will only be able to participate and discuss with those peers assigned to your same group. Your initial post should be at least 250 words in length. It should show all the required math work and explain all the steps. Also include a simple reference for any used resource. For example: Washington Post dated August 13, 2018 or retrieved from <url-address>. Your initial discussion thread is due on Day 4 (Friday), and you have until Day 7 (Monday) to respond to your classmates. Your grade will reflect both the quality of your initial post and the depth of your responses. Carefully review the Grading Rubric for guidance on how your discussion will be evaluated.
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