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If a procedure meets all the conditions of a binomial distribution except that the number of trials is not fixed, then the geometric distribution can be used. The probability of getting the first success on the xth trial is given by P(x) =
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P(x)=1-P(A)
1-0.240
=0.760....................................................................................
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1.The world’s smallest mammal is the bumblebee bat, also known as the Kitti’s hog nosed bat. Such bats are roughly th ...
I need solutions to the problems below
1.The world’s smallest mammal is the bumblebee bat, also known as the Kitti’s hog nosed bat. Such bats are roughly the size of a large bumblebee! Listed below are weights (in grams) from a sample of these bats. Test the claim that these bats come from the same population having a mean weight equal to 1.8 g. Perform a complete analysis: The six step hypothesis test with a conclusion that includes a statistical conclusion, a confidence interval and a scope of inference (as best as can be done with the information above … I could see many correct answers with the vagueness of the description of the sampling mechanism.)Sample: 1.7 1.6 1.5 2.0 2.3 1.6 1.6 1.8 1.5 1.7 2.2 1.4 1.6 1.6 1.6 2.In the United States, it is illegal to discriminate against people based on various attributes. One example is age. An active lawsuit, filed August 30, 2011, in the Las Angeles District Office is a case against the American Samoa Government for systematic age discrimination by preferentially firing older workers. Though the data and details are currently sealed, let’s suppose that a random sample of the ages of fired and not fired people in the American Samoa Government are listed below:Fired34 37 37 38 41 42 43 44 44 45 45 45 46 48 49 53 53 54 54 55 56Not fired27 33 36 37 38 38 39 42 42 43 43 44 44 44 45 45 45 45 46 46 47 47 48 48 49 49 51 51 52 54a.Perform a permutation test to test the claim that there is age discrimination. Provide the Ho and Ha, the pvalue, and full statistical conclusion including the scope. Note: this was an example in Live Session 1. You may start from scratch or use the sample code and powerpoints from Live Session 1. b.Now run a two sample t-test appropriate for this scientific problem (Note: we may not have talked much about a two-sided versus a one-sided test. If you would like to read the discussion on pg 44 (Statistical Sleuth), you can run a one-sided test if it seems appropriate. Otherwise, just run a two-sided test as in class. There are also example in the Statistics Bridge Course). Be sure to include all six steps, a statistical conclusion and scope of inference.c.Compare this p-value to the randomized p-value found in the previous homework.d.The jury wants to see a range of plausible values for the difference in means between the fired and not fired groups. Provide them with a confidence interval for the difference of means and an interpretation.e.Given the sample standard deviations from SAS, calculate by handi.Pooled standard deviation (sp)ii.The standard error of () 3.In the last homework I mentioned I polled my Business Stats class here at SMU and asked them how much money (cash) they had in their pocket at that very moment. The idea was that we wanted to see if there was evidence that those in charge of the vending machines should include the expensive bill / coin acceptor or if it should just have the credit card reader. However, I met a professor from Seattle University last year and asked her to poll her class with the same question. Below are the results of our polls. SMU34, 1200, 23, 50, 60, 50, 0, 0, 30, 89, 0, 300, 400, 20, 10, 0Seattle U20, 10, 5, 0, 30, 50, 0, 100, 110, 0, 40, 10, 3, 0a.Run a two sample t-test to test if the mean amount of pocket cash from students at SMU is different than that of students from Seattle University. Write up a complete analysis: All 6 steps including a statistical conclusion and scope of inference (similar to the one from the powerpoint.) (This should include identifying the Ho and Ha as well as the pvalue.) Also include the appropriate confidence interval.b.Compare the pvalue from this test with the one you found from the permutation test from last week. Provide a short 2 to 3 sentence discussion on your thoughts as to why they are the same or different. 4. a.Calculate the estimate of the pooled standard deviation from the Samoan discrimination problem in question 2 above. Use this estimates to build a power curve. Assume we would like to be able to detect effect sizes between 0.5 and 2 and we would like to calculate the sample size required to have a test that has a power of .8. Simply cut and paste your power curve and SAS code. HINT: Instead of using groupstddevs, use stddev since we are using the pooled estimate. b.Now let’s say that we decided that we may be able to live with slightly less power if it means savings in sample size. Provide the same plot as above but this time calculate curves of sample size (yaxis) vs effect size (.5 to 2) (x axis) for power = 0.8, 0.7 and 0.6. There should be three plots on your final plot. Simply cut and paste your power curve and SAS code. HINT: , use stddev since we are using the pooled estimate. c.Using your last plot, estimate the savings in sample size from a test aimed at detecting an effect size of 0.8 with a power of 80% versus a power of 60%.
Northern Star Online Properties of Logarithms and Solving Exponential Equations Problems
You DO NOT need to show your work for these questions unless the question specifically asks you to. Part 6-4: e and Natura ...
Northern Star Online Properties of Logarithms and Solving Exponential Equations Problems
You DO NOT need to show your work for these questions unless the question specifically asks you to. Part 6-4: e and Natural Logarithms 2. Suppose $4449 is invested at 11% compounded continuously for 7 years. What is the annual yield percent to the nearest hundredth? Answer: _____ 3. Suppose $4449 is invested at 11% compounded continuously for 7 years. How much money will be worth after that time? Answer: _____ 6. The population of New Zealand in 1990 was about 3,376,000 with an average growth rate of 2.7%. If this growth rate continues, use the Continuous Change Model to predict New Zealand's population in 2008. Answer: _____ 7. A satellite has a radioisotope power supply, with power output given by P = 73e-t/347 Where t is the time in days and P is the power output in watts. What is the power output to nearest hundredth of a watt at the end of its first year? Answer: _____ 8. A satellite has a radioisotope power supply, with power output given by P = 73e-t/347 Where t is the time in days and P is the power output in watts. When the power output drops below 8 watts, there will be insufficient power to operate the satellite. How many days will the satellite be operational? Answer: _____ 10. Explain HOW you would find the answer to ln e7.1 Answer: _____ Part 6-5: Properties of Logarithms Use the fact that loga 4 = .782 and loga 3 = .654 and the property of logarithms to answer the following for Questions 1- 4.1. Evaluate loga 3/4 =Answer: _____2. Evaluate loga 48 = Report your answer to the thousandth place. Answer: _____ 3. Evaluate loga 27 = Report your answer to the thousandth place. Answer: _____ 4. Evaluate loga 3a4 = Answer: _____ 5. Find an expression for A that does not involve logarithms ln A = 2 ln B - 4 ln C Answer: _____ 6. Write a linear function for log y which is equivalent to y = 400(1.08)x Answer: _____ 7. Write a exponential equation in the form A = c*d^t equivalent to ln A = 1.7t + 8.2 Answer: _____ Part 6-6: Solving Exponential Equations 5. If you invest money at 12.3% compounded continuously. How many years, to nearest tenth, will it take to double? Answer: _____ 6. Which expression(s) could be entered into your calculator to produce a graph of y = log7 x Select one or more:a. y = log 7/log xb. y = log x/log 7c. y = ln 7/ln xd. y = x/7e. y = ln x/ln 7 Answer: _____
Bellevue University Finance for Business Mathematics Discussion
The goal of every buyer and manager is to run a profitable business. In a dynamic business environment, the ability to add ...
Bellevue University Finance for Business Mathematics Discussion
The goal of every buyer and manager is to run a profitable business. In a dynamic business environment, the ability to address opportunities and liabilities quickly can make a huge difference in business results. Understanding business mathematics, the data that each calculation provides, and how to analyze that data, are crucial skills for successful buyers and managers.Instructions:Use your experience and outside research to answer the following questions:Compare and contrast the ways buyers and managers use business mathematics formulas to evaluate profitability in their product area or business.What is the best way for buyers to use business math to make sure they do not buy too much/too little merchandise?What conclusions can be drawn by comparing competitors' pricing to pricing for the same or comparable items in your business?Explain at least two ways in which business mathematics is used to determine which products are driving the majority of a store's business.Compose your answers with one - two paragraphs per question (4 - 8 paragraphs total).Research and use at least one outside source to support your conclusions. You must give appropriate credit to the source of the material.
Determining the Maxium Revenue of John Deere Co Heavy Duty Tractors Essay
Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response.4. Assumption ...
Determining the Maxium Revenue of John Deere Co Heavy Duty Tractors Essay
Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response.4. Assumptions: When looking at the graph, what did you assume about the data shown to make your estimate of the maximum revenue and the needed price to charge to reach this maximum revenue?Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response. PART II: Maximizing Revenue (Communication and Critical Thinking - includes QL6)Instructions:Write a 250-400 word essay (about 3-4 paragraphs) explaining how to solve the following problem: The John Deere Company has found that the revenue from sales of heavy-duty tractors is a function of the unit price p that it charges. If the revenue R isR(p) = – 0.5p2 + 1900p , what unit price p should be charged to maximize revenue? What is the maximum revenue? What recommendations would you give the John Deere Company?
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I need solutions to the problems below
1.The world’s smallest mammal is the bumblebee bat, also known as the Kitti’s hog nosed bat. Such bats are roughly th ...
I need solutions to the problems below
1.The world’s smallest mammal is the bumblebee bat, also known as the Kitti’s hog nosed bat. Such bats are roughly the size of a large bumblebee! Listed below are weights (in grams) from a sample of these bats. Test the claim that these bats come from the same population having a mean weight equal to 1.8 g. Perform a complete analysis: The six step hypothesis test with a conclusion that includes a statistical conclusion, a confidence interval and a scope of inference (as best as can be done with the information above … I could see many correct answers with the vagueness of the description of the sampling mechanism.)Sample: 1.7 1.6 1.5 2.0 2.3 1.6 1.6 1.8 1.5 1.7 2.2 1.4 1.6 1.6 1.6 2.In the United States, it is illegal to discriminate against people based on various attributes. One example is age. An active lawsuit, filed August 30, 2011, in the Las Angeles District Office is a case against the American Samoa Government for systematic age discrimination by preferentially firing older workers. Though the data and details are currently sealed, let’s suppose that a random sample of the ages of fired and not fired people in the American Samoa Government are listed below:Fired34 37 37 38 41 42 43 44 44 45 45 45 46 48 49 53 53 54 54 55 56Not fired27 33 36 37 38 38 39 42 42 43 43 44 44 44 45 45 45 45 46 46 47 47 48 48 49 49 51 51 52 54a.Perform a permutation test to test the claim that there is age discrimination. Provide the Ho and Ha, the pvalue, and full statistical conclusion including the scope. Note: this was an example in Live Session 1. You may start from scratch or use the sample code and powerpoints from Live Session 1. b.Now run a two sample t-test appropriate for this scientific problem (Note: we may not have talked much about a two-sided versus a one-sided test. If you would like to read the discussion on pg 44 (Statistical Sleuth), you can run a one-sided test if it seems appropriate. Otherwise, just run a two-sided test as in class. There are also example in the Statistics Bridge Course). Be sure to include all six steps, a statistical conclusion and scope of inference.c.Compare this p-value to the randomized p-value found in the previous homework.d.The jury wants to see a range of plausible values for the difference in means between the fired and not fired groups. Provide them with a confidence interval for the difference of means and an interpretation.e.Given the sample standard deviations from SAS, calculate by handi.Pooled standard deviation (sp)ii.The standard error of () 3.In the last homework I mentioned I polled my Business Stats class here at SMU and asked them how much money (cash) they had in their pocket at that very moment. The idea was that we wanted to see if there was evidence that those in charge of the vending machines should include the expensive bill / coin acceptor or if it should just have the credit card reader. However, I met a professor from Seattle University last year and asked her to poll her class with the same question. Below are the results of our polls. SMU34, 1200, 23, 50, 60, 50, 0, 0, 30, 89, 0, 300, 400, 20, 10, 0Seattle U20, 10, 5, 0, 30, 50, 0, 100, 110, 0, 40, 10, 3, 0a.Run a two sample t-test to test if the mean amount of pocket cash from students at SMU is different than that of students from Seattle University. Write up a complete analysis: All 6 steps including a statistical conclusion and scope of inference (similar to the one from the powerpoint.) (This should include identifying the Ho and Ha as well as the pvalue.) Also include the appropriate confidence interval.b.Compare the pvalue from this test with the one you found from the permutation test from last week. Provide a short 2 to 3 sentence discussion on your thoughts as to why they are the same or different. 4. a.Calculate the estimate of the pooled standard deviation from the Samoan discrimination problem in question 2 above. Use this estimates to build a power curve. Assume we would like to be able to detect effect sizes between 0.5 and 2 and we would like to calculate the sample size required to have a test that has a power of .8. Simply cut and paste your power curve and SAS code. HINT: Instead of using groupstddevs, use stddev since we are using the pooled estimate. b.Now let’s say that we decided that we may be able to live with slightly less power if it means savings in sample size. Provide the same plot as above but this time calculate curves of sample size (yaxis) vs effect size (.5 to 2) (x axis) for power = 0.8, 0.7 and 0.6. There should be three plots on your final plot. Simply cut and paste your power curve and SAS code. HINT: , use stddev since we are using the pooled estimate. c.Using your last plot, estimate the savings in sample size from a test aimed at detecting an effect size of 0.8 with a power of 80% versus a power of 60%.
Northern Star Online Properties of Logarithms and Solving Exponential Equations Problems
You DO NOT need to show your work for these questions unless the question specifically asks you to. Part 6-4: e and Natura ...
Northern Star Online Properties of Logarithms and Solving Exponential Equations Problems
You DO NOT need to show your work for these questions unless the question specifically asks you to. Part 6-4: e and Natural Logarithms 2. Suppose $4449 is invested at 11% compounded continuously for 7 years. What is the annual yield percent to the nearest hundredth? Answer: _____ 3. Suppose $4449 is invested at 11% compounded continuously for 7 years. How much money will be worth after that time? Answer: _____ 6. The population of New Zealand in 1990 was about 3,376,000 with an average growth rate of 2.7%. If this growth rate continues, use the Continuous Change Model to predict New Zealand's population in 2008. Answer: _____ 7. A satellite has a radioisotope power supply, with power output given by P = 73e-t/347 Where t is the time in days and P is the power output in watts. What is the power output to nearest hundredth of a watt at the end of its first year? Answer: _____ 8. A satellite has a radioisotope power supply, with power output given by P = 73e-t/347 Where t is the time in days and P is the power output in watts. When the power output drops below 8 watts, there will be insufficient power to operate the satellite. How many days will the satellite be operational? Answer: _____ 10. Explain HOW you would find the answer to ln e7.1 Answer: _____ Part 6-5: Properties of Logarithms Use the fact that loga 4 = .782 and loga 3 = .654 and the property of logarithms to answer the following for Questions 1- 4.1. Evaluate loga 3/4 =Answer: _____2. Evaluate loga 48 = Report your answer to the thousandth place. Answer: _____ 3. Evaluate loga 27 = Report your answer to the thousandth place. Answer: _____ 4. Evaluate loga 3a4 = Answer: _____ 5. Find an expression for A that does not involve logarithms ln A = 2 ln B - 4 ln C Answer: _____ 6. Write a linear function for log y which is equivalent to y = 400(1.08)x Answer: _____ 7. Write a exponential equation in the form A = c*d^t equivalent to ln A = 1.7t + 8.2 Answer: _____ Part 6-6: Solving Exponential Equations 5. If you invest money at 12.3% compounded continuously. How many years, to nearest tenth, will it take to double? Answer: _____ 6. Which expression(s) could be entered into your calculator to produce a graph of y = log7 x Select one or more:a. y = log 7/log xb. y = log x/log 7c. y = ln 7/ln xd. y = x/7e. y = ln x/ln 7 Answer: _____
Bellevue University Finance for Business Mathematics Discussion
The goal of every buyer and manager is to run a profitable business. In a dynamic business environment, the ability to add ...
Bellevue University Finance for Business Mathematics Discussion
The goal of every buyer and manager is to run a profitable business. In a dynamic business environment, the ability to address opportunities and liabilities quickly can make a huge difference in business results. Understanding business mathematics, the data that each calculation provides, and how to analyze that data, are crucial skills for successful buyers and managers.Instructions:Use your experience and outside research to answer the following questions:Compare and contrast the ways buyers and managers use business mathematics formulas to evaluate profitability in their product area or business.What is the best way for buyers to use business math to make sure they do not buy too much/too little merchandise?What conclusions can be drawn by comparing competitors' pricing to pricing for the same or comparable items in your business?Explain at least two ways in which business mathematics is used to determine which products are driving the majority of a store's business.Compose your answers with one - two paragraphs per question (4 - 8 paragraphs total).Research and use at least one outside source to support your conclusions. You must give appropriate credit to the source of the material.
Determining the Maxium Revenue of John Deere Co Heavy Duty Tractors Essay
Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response.4. Assumption ...
Determining the Maxium Revenue of John Deere Co Heavy Duty Tractors Essay
Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response.4. Assumptions: When looking at the graph, what did you assume about the data shown to make your estimate of the maximum revenue and the needed price to charge to reach this maximum revenue?Write at least two or three sentences to explain your answer.Place cursor here to begin typing your response. PART II: Maximizing Revenue (Communication and Critical Thinking - includes QL6)Instructions:Write a 250-400 word essay (about 3-4 paragraphs) explaining how to solve the following problem: The John Deere Company has found that the revenue from sales of heavy-duty tractors is a function of the unit price p that it charges. If the revenue R isR(p) = – 0.5p2 + 1900p , what unit price p should be charged to maximize revenue? What is the maximum revenue? What recommendations would you give the John Deere Company?
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