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1.)Sketch one cycle of f(x)=2 sin 3x (for this problem, you can send a picture of it on a graph paper)
2.) find a if a is the angle between 180degrees and 270degrees whose cosine is -sqroot of 3/2.
3.) find a if a is the largest acute angle of a right triangle that has a hypotenuse with a length of 19 meters and a leg of 8 meters.
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Week 4 Discussion: Probability
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions o ...
Week 4 Discussion: Probability
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions or "what if's", and are answered by the probability that the treatment will be the best for the ailment.
Let's look at probability in terms of both the real world and the medical community.
Survey 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information.
Left handed Right handed Total Female Male Total
Answer the following questions about the information in your contingency table:
If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?
If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?
What is the odds ratio of choosing a left-handed female?
What is the relative risk of choosing a left-handed female?
Example
Green
Blue
Total
Cats
40 (A)
20 (B)
60 (A+B)
Dogs
30 (C)
40 (D)
70 (C+D)
Total
70 (A+C)
60 (B+D)
130 (A+B+C+D)
Probability of Green - (A+C)/(A+B+C+D): 70/130 = 54%
Probability of Green Cat - A/(A+B): 40/60 = 67%
Odds Ratio of Green Cat - (A/B)/(C/D) or AD/BC: (40*40)/(20*30) = 1600/600 = 2.67%
Relative Risk of Green Cat - [A/(A+C)]/[B/(B+D)]: (40/70)/(20/60) = 17.14%
Skim through at least one of the following articles on left-handed vs. right-handed people from the Chamberlain Library. Answer the following question: How do the probabilities and percentages for your study compare to those in the study you read?
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38Fair >$500,000 Eastern 106 115 126 118 138First, conduct an analysis using the following steps:Use the data shown in the table to conduct a design of experiment (DOE) in Microsoft Excel in order determine the nature and magnitude of the effects of the three variables on mortgage approval times. What are the key drivers of this process?Determine the graphical display tool (e.g., Interaction Effects Chart, Scatter Chart, etc.) that you would use to present the results of the DOE that you conducted in Question 1. Provide a rationale for your response. Assess the data sampling method. Our sample contained only five mortgages per combination. Under what circumstances would it have been appropriate to select a larger sample? Is a sample of five mortgages adequate to access the relative magnitudes of the effects of the variables? What sample size would you recommend? What could you learn from a larger sample size? (Hint: Look back at chapter 2, 3, 5, and 6 for discussion of sampling.)Provide other variable responses that might be of interest to measure and study. (Hint: If you were getting a mortgage or a loan, what are the two and most important measures of the process you would have to go through?)Propose one overall recommendation to the financial services company, based on the DOE, that could help reduce mortgage approval times.Use http://research.strayer.edu to identify at least two (2) quality references to support your discussion. Note: Wikipedia and other Websites do not qualify as academic resources.Second, create a PPT presentation to communicate the data analysis you completed. Your presentation must follow these formatting requirements:A PPT presentation with at least 10 slides that include the answers to questions 1 through 5. A reference slide which follows APA format. Check with your professor for any additional instructions.Formatting of the slides should be consistent and easy to read. Cover slide containing the title of the assignment, the student's name, the professor's name, the course title, and the date.Note: The cover slides and the reference slides are not included in the required assignment slides length.The specific course learning outcome associated with this assignment is:Develop recommendations to improve business processes, using statistical tools and analysis.
CCU Significance of Statistical Application in Health Care Paper
Statistical application and the interpretation of data is important in health care. Review the statistical concepts covere ...
CCU Significance of Statistical Application in Health Care Paper
Statistical application and the interpretation of data is important in health care. Review the statistical concepts covered in this topic. In a 750-1,000 word paper, discuss the significance of statistical application in health care. Include the following:Describe the application of statistics in health care. Specifically discuss its significance to quality, safety, health promotion, and leadership.Consider your organization or specialty area and how you utilize statistical knowledge. Discuss how you obtain statistical data, how statistical knowledge is used in day-to-day operations and how you apply it or use it in decision making.Three peer-reviewed, scholarly or professional references are required.Prepare this assignment according to APA Style Guide. An abstract is not required.
5 pages
Multiple Regression.edited 1
The data reveals an analysis for Male Patient aged between 20 and 40 years suffering from incurable cancer at Los Angeles ...
Multiple Regression.edited 1
The data reveals an analysis for Male Patient aged between 20 and 40 years suffering from incurable cancer at Los Angeles County General Hospital. A ...
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Most Popular Content
Week 4 Discussion: Probability
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions o ...
Week 4 Discussion: Probability
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions or "what if's", and are answered by the probability that the treatment will be the best for the ailment.
Let's look at probability in terms of both the real world and the medical community.
Survey 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information.
Left handed Right handed Total Female Male Total
Answer the following questions about the information in your contingency table:
If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?
If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?
What is the odds ratio of choosing a left-handed female?
What is the relative risk of choosing a left-handed female?
Example
Green
Blue
Total
Cats
40 (A)
20 (B)
60 (A+B)
Dogs
30 (C)
40 (D)
70 (C+D)
Total
70 (A+C)
60 (B+D)
130 (A+B+C+D)
Probability of Green - (A+C)/(A+B+C+D): 70/130 = 54%
Probability of Green Cat - A/(A+B): 40/60 = 67%
Odds Ratio of Green Cat - (A/B)/(C/D) or AD/BC: (40*40)/(20*30) = 1600/600 = 2.67%
Relative Risk of Green Cat - [A/(A+C)]/[B/(B+D)]: (40/70)/(20/60) = 17.14%
Skim through at least one of the following articles on left-handed vs. right-handed people from the Chamberlain Library. Answer the following question: How do the probabilities and percentages for your study compare to those in the study you read?
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38Fair >$500,000 Eastern 106 115 126 118 138First, conduct an analysis using the following steps:Use the data shown in the table to conduct a design of experiment (DOE) in Microsoft Excel in order determine the nature and magnitude of the effects of the three variables on mortgage approval times. What are the key drivers of this process?Determine the graphical display tool (e.g., Interaction Effects Chart, Scatter Chart, etc.) that you would use to present the results of the DOE that you conducted in Question 1. Provide a rationale for your response. Assess the data sampling method. Our sample contained only five mortgages per combination. Under what circumstances would it have been appropriate to select a larger sample? Is a sample of five mortgages adequate to access the relative magnitudes of the effects of the variables? What sample size would you recommend? What could you learn from a larger sample size? (Hint: Look back at chapter 2, 3, 5, and 6 for discussion of sampling.)Provide other variable responses that might be of interest to measure and study. (Hint: If you were getting a mortgage or a loan, what are the two and most important measures of the process you would have to go through?)Propose one overall recommendation to the financial services company, based on the DOE, that could help reduce mortgage approval times.Use http://research.strayer.edu to identify at least two (2) quality references to support your discussion. Note: Wikipedia and other Websites do not qualify as academic resources.Second, create a PPT presentation to communicate the data analysis you completed. Your presentation must follow these formatting requirements:A PPT presentation with at least 10 slides that include the answers to questions 1 through 5. A reference slide which follows APA format. Check with your professor for any additional instructions.Formatting of the slides should be consistent and easy to read. Cover slide containing the title of the assignment, the student's name, the professor's name, the course title, and the date.Note: The cover slides and the reference slides are not included in the required assignment slides length.The specific course learning outcome associated with this assignment is:Develop recommendations to improve business processes, using statistical tools and analysis.
CCU Significance of Statistical Application in Health Care Paper
Statistical application and the interpretation of data is important in health care. Review the statistical concepts covere ...
CCU Significance of Statistical Application in Health Care Paper
Statistical application and the interpretation of data is important in health care. Review the statistical concepts covered in this topic. In a 750-1,000 word paper, discuss the significance of statistical application in health care. Include the following:Describe the application of statistics in health care. Specifically discuss its significance to quality, safety, health promotion, and leadership.Consider your organization or specialty area and how you utilize statistical knowledge. Discuss how you obtain statistical data, how statistical knowledge is used in day-to-day operations and how you apply it or use it in decision making.Three peer-reviewed, scholarly or professional references are required.Prepare this assignment according to APA Style Guide. An abstract is not required.
5 pages
Multiple Regression.edited 1
The data reveals an analysis for Male Patient aged between 20 and 40 years suffering from incurable cancer at Los Angeles ...
Multiple Regression.edited 1
The data reveals an analysis for Male Patient aged between 20 and 40 years suffering from incurable cancer at Los Angeles County General Hospital. A ...
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