{ "key_pair_value_system": true, "answer_rating_count": "", "question_feedback_html": { "html_star": "", "html_star_feedback": "" }, "answer_average_rating_value": "", "answer_date_js": "2024-06-20T19:07:50-04:00", "answer_date": "2024-06-20 19:07:50", "is_docs_available": "", "is_excel_available": "", "is_pdf_available": "", "count_file_available": 0, "main_page": "student_question_view", "question_id": "3357927", "url": "\/study-help\/questions\/an-elderly-patient-is-examined-for-heart-and-lung-problems-3357927", "question_creation_date_js": "2024-06-20T19:07:50-04:00", "question_creation_date": "Jun 20, 2024 07:07 PM", "meta_title": "[Solved] An elderly patient is examined for heart | SolutionInn", "meta_description": "Answer of - An elderly patient is examined for heart and lung problems using scores X and Y, respec- tively. A score has a value o | SolutionInn", "meta_keywords": "elderly,patient,examined,heart,lung,problems,scores,x,y,respec-,tively,score", "question_title_h1": "An elderly patient is examined for heart and lung problems using scores X and Y, respec- tively. A score has a value of 0 if", "question_title": "An elderly patient is examined for heart and lung problems using scores", "question_title_for_js_snippet": "An elderly patient is examined for heart and lung problems using scores X and Y, respec tively A score has a value of 0 if there is no impairment, 1 if there is mild impairment, and if there is severe impairment Suppose that the distributions of X and Y in the population are as follows P(X 0) 0 6, P(X 1) 0 3, P(X 2) 0 1 P(Y 0) 0 5, P(Y 1) 0 3, P(Y 2) 0 2 Let T X Y be the total score for heart and lung impairment for a patient (a) List each of the 9 possible heart and lung score combinations For each outcome compute the value of the total impairment score T and the associated probability, assuming independence between X and Y (b) Obtain the distribution of T (c) Find E(T) and Var (T) (d) Suppose that the heart and lung problems are not independent but are positively correlated Would it change E(T) Would it change Var (7) Explain A husband and wife inver", "question_description": "\"image
\"image<\/div><\/div><\/div><\/figure> An elderly patient is examined for heart and lung problems using scores X and Y, respec- tively. A score has a value of 0 if there is no impairment, 1 if there is mild impairment, and? if there is severe impairment. Suppose that the distributions of X and Y in the population are as follows: P(X = 0) = 0.6, P(X = 1) = 0.3, P(X = 2) = 0.1; P(Y = 0) = 0.5, P(Y = 1) = 0.3, P(Y = 2) = 0.2. Let T = X + Y be the total score for heart and lung impairment for a patient. (a) List each of the 9 possible heart and lung score combinations. For each outcome compute the value of the total impairment score T and the associated probability, assuming independence between X and Y. (b) Obtain the distribution of T. (c) Find E(T) and Var (T). (d) Suppose that the heart and lung problems are not independent but are positively correlated. Would it change E(T)? Would it change Var (7)? Explain. A husband and wife inver", "transcribed_text": "", "related_book": { "title": "Principles Of Cost Accounting", "isbn": "978-0840037039, 0840037031", "edition": "15th Edition", "authors": "Edward J. Vanderbeck", "cover_image": "https:\/\/dsd5zvtm8ll6.cloudfront.net\/si.question.images\/book_images\/81.jpg", "uri": "\/textbooks\/principles-of-cost-accounting-15th-edition-9780840037039", "see_more_uri": "" }, "free_related_book": { "isbn": "1484241789", "uri": "\/textbooks\/foundations-of-pygtk-development-gui-creation-with-python-2nd-edition-978-1484241783-163789", "name": "Foundations Of PyGTK Development GUI Creation With Python", "edition": "2nd Edition" }, "question_posted": "2024-06-20 19:07:50", "see_more_questions_link": "\/study-help\/questions\/sciences-statistics-2024-March-08", "step_by_step_answer": "The Answer is in the image, click to view ...", "students_also_viewed": [ { "url": "\/in-a-velocity-selector-the-electric-and-magnetic-forces-cancel", "description": "In a velocity selector, the electric and magnetic forces cancel if + v = 0. Show that v must be in the same direction as .", "stars": 3 }, { "url": "\/study-help\/international-financial-management\/the-following-information-relates-to-three-companies-that-use-the", "description": "The following information relates to three companies that use the revaluation model in relation to intangible assets and prepare annual financial statements to 31 December: (a) Company W acquired an...", "stars": 3 }, { "url": "\/study-help\/business-statistics-in-practice\/30-hearing-vendors-of-hearing-aids-test-them-by-having-1982234", "description": "=+30. Hearing. Vendors of hearing aids test them by having patients listen to lists of words and repeat what they hear. The word lists are supposed to be equally difficult to hear accurately. But the...", "stars": 3 }, { "url": "\/merchandise-is-sold-on-account-to-a-customer-for-12500-192680", "description": "Merchandise is sold on account to a customer for $12,500, terms FOB shipping point, 1\/10, n\/30. The seller paid the freight of $250. Determine the following: (a) Amount of the sale, (b) Amount...", "stars": 3 }, { "url": "\/study-help\/questions\/your-friend-mike-has-just-purchased-a-business-because-mike-9740292", "description": "Your friend, Mike, has just purchased a business. Because Mike knows that you have just received your Associate's Degree in Accounting at Kaplan University, he has asked for your help in evaluating...", "stars": 3 }, { "url": "\/study-help\/questions\/prepare-a-trial-balance-be29-lo-4-from-the-ledger-6014080", "description": "Prepare a trial balance. BE2.9 (LO 4) From the ledger balances given below, prepare a trial balance for the Amaro Company at June 30.2020. List the accounts in the order shown in the textbook. All...", "stars": 3 }, { "url": "\/study-help\/questions\/question-115-marks-a-firm-produces-one-good-with-a-5400087", "description": "Question 1(15 Marks): A firm produces one good with a technology given by the production function y = f (x) = x1\/3. The factor price w and the price p for the good are fixed. a) Explore whether the...", "stars": 3 }, { "url": "\/study-help\/questions\/each-part-worth-10-points-60-points-total-a-large-5292674", "description": "A large country named H is considering an import tariff to protect the industry that produces good X. The world's excess supply curve is P=1000+3X. Country H's excess demand curve is P=8000-50X. a.)...", "stars": 3 }, { "url": "\/study-help\/questions\/the-heating-division-of-sheffield-international-produces-a-heating-element-5721807", "description": "The Heating Division of Sheffield International produces a heating element that it sells to its customers for $44 per unit. Its unit variable cost is $27, and its unit fixed cost is $5. Top...", "stars": 3 }, { "url": "\/study-help\/questions\/under-statistical-process-control-and-process-capability-analysis-if-a-1287159", "description": "Under statistical process control and process capability analysis, if a process is out-of-control and not capable, the logical next step would be to first... blame the operator of the process....", "stars": 3 }, { "url": "\/study-help\/questions\/peterson-furniture-designs-is-preparing-its-annual-financial-statements-dated-5668533", "description": "Peterson Furniture Designs is preparing its annual financial statements dated December 31. Ending Inventory Information about the five major Items stocked for regular sale follows: Required: 1-a....", "stars": 3 }, { "url": "\/study-help\/questions\/a-kindly-provide-the-executive-summary-of-chapters-5-3556407", "description": "a). Kindly provide the executive summary of Chapters 5 - Diagnosing Organizations (\"Organization Development & Change\" by Thomas G. Cummings & Christopher G. Worley). b). Does the Chapter aid career...", "stars": 3 } ], "next_back_navigation": { "previous": "\/study-help\/questions\/15-norths-quip-urval-a-d-3180-200-law-out-3357926", "next": "\/study-help\/questions\/could-you-please-show-me-your-calculation-the-xyz-3357928" }, "breadcrumbs": [ { "name": "Study help", "link": "https:\/\/www.solutioninn.com\/study-help\/questions-and-answers" }, { "name": "Sciences", "link": "https:\/\/www.solutioninn.com\/study-help\/questions-and-answers\/sciences" }, { "name": "Mathematics", "link": "https:\/\/www.solutioninn.com\/study-help\/questions\/sciences-mathematics" }, { "name": "An elderly patient is examined for heart and lung problems using scores", "link": "https:\/\/www.solutioninn.com\/study-help\/questions\/an-elderly-patient-is-examined-for-heart-and-lung-problems-3357927" } ], "skill_details": { "skill_id": "342", "skill_name": "Mathematics", "parent_id": "5" } }" } }