NAME:Hypothesis 1INSTRUCTOR:LAB INVESTIGATION 3 PROPOSALBefore you begin you will need to consider the possible causes of death and design anexperiment for each possibility that includes alternative hypotheses, the test, and predictions.Complete the flow chart below.The Experimental Question... What may have been the cause of death?Hypothesis 2Hypothesis 3Hypothesis 4Hypothesis 5Hypothesis 6Hypothesis 7DATE:If...SEC TION/ GROUP: iThe composition of human blood and urine changes as a function of one's health.Consequently, it is standard practice for physicians to request blood and urine samplesas part of a complete physical exam. Urine is often analyzed for the presence ofproteins, glucose and/or ketones (small organic molecules which are produced in somecases of severe untreated diabetes). Since these substances are not present in the urineof a healthy person, significant amounts of these chemicals may indicate dehydration,kidney damage, or diabetes. Both blood and urine may be analyzed for levels of theelectrolytes sodium and potassium. In addition, blood is analyzed for chloride,phosphate, and ammonium ions. These ions are present in normal urine at definednormal levels. However, an increase or decrease from these normal levels mayindicateheart failure, diabetes, or starvation. Some of these ions may appear in elevated levelsin pregnant women. Table 3.3 below shows the species present in blood and urinesamples at elevated levels and what could be concluded about the medicalcondition of a patient or a corpse.Table 3.3 Elevated Levels in Urine (U) and Blood (B) as a Function of Medical ConditionDehydrationStarvationHeavyMetalpoisoningKidneyFailureDiabetes-RelatedHeartFailurePregnancy-RelatedProtein(U)XXXXKetones(U)XWHAT MAY HAVEBEEN THE CAUSE OF DEATH?XXGlucose(U)XXXNat K+(U)(U)XXXXXNa+ K+(B)XCI(B) (B)XXXXXPO4-3(B)XNH4+(B)X

A hypothesis is any statement which may be rejected based on a certain set of evidences. The…

Answered: Before you begin you will need to…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.6: Applications And The Perron-frobenius Theorem

Problem 22EQ

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Cholesterol Cholesterol in human blood is necessary, but too much can lead to health problems. There are three main types of cholesterol: HDL (high-density lipoproteins), LDL (low-density lipoproteins), and VLDL (very low-density lipoproteins). HDL is considered “good” cholesterol; LDL and VLDL are considered “bad” cholesterol. A standard fasting cholesterol blood test measures total cholesterol, HDL cholesterol, and triglycerides. These numbers are used to estimate LDL and VLDL, which are difficult to measure directly. Your doctor recommends that your combined LDL/VLDL cholesterol level be less than 130 milligrams per deciliter, your HDL cholesterol level be at least 60 milligrams per deciliter, and your total cholesterol level be no more than 200 milligrams per deciliter. (a) Write a system of linear inequalities for the recommended cholesterol levels. Let x represent the HDL cholesterol level, and let y represent the combined LDL VLDL cholesterol level. (b) Graph the system of inequalities from part (a). Label any vertices of the solution region. (c) Is the following set of cholesterol levels within the recommendations? Explain. LDL/VLDL: 120 milligrams per deciliter HDL: 90 milligrams per deciliter Total: 210 milligrams per deciliter (d) Give an example of cholesterol levels in which the LDL/VLDL cholesterol level is too high but the HDL cholesterol level is acceptable. (e) Another recommendation is that the ratio of total cholesterol to HDL cholesterol be less than 4 (that is, less than 4 to 1). Identify a point in the solution region from part (b) that meets this recommendation, and explain why it meets the recommendation.
The average lifespan of a Ghanaian is 57years. The averagelifespan of males in Ghana is known to be 55 years while theaverage lifespan of females in Ghana is known to be 60 years. Theaverage lifespan of people from the Northern region of Ghana isknown to be 58 years while the average lifespan of people in theEast region of Ghana is known to be 54 years.Use the above information to answer the following questions:(i). With your reasons, discuss all possible population parametersfrom the above information.(ii). With your reasons, discuss all possible sample statistics fromthe above information.
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a) If the prevalence rate is 50%, the sensitivity is 85%, and the specificity is 90%, what will the PPV value be? b) What are possible slider values that will produce a PPV value of 1? c) What are possible slider valuse that will produce an NPV value of 1? d) If sensitivity and specificity remain constant while prevalence decreases, what effect does that have on the PPV? e) If prevalence and specificity remain constant while sensitivity increases, what effect does that have on the NPV?
Refer to exhibit 1 below. What is the prediction equation for determining Heat BTU’s? a. Heat BTU’s = 389 + 2.12 Burn Rate + 5.32 Fuel density + 24.1 Mixing Time b. Heat BTU’s = 66 + 1.21 Burn Rate + 0.96 Fuel density - 1.87 Mixing Time c. Heat BTU’s = 5.89 + 1.75 Burn Rate + 5.52 Fuel density - 12.92 Mixing Time d. Heat BTU’s = 389 + 2.12 Burn Rate + 5.32 Fuel density - 24.1 Mixing Time Impossible to determine from this research
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Overhead Door (OD) Corporation’s founder, C. G. Johnson, invented the upward-lifting garage door in 1921 and the electric garage door opener in 1926. Since then OD has been a leading supplier of commercial, industrial, and residential garage doors sold through a nationwide network of more than 450 authorized distributors. They have built a solid reputation as a premier door supplier, commanding 15 % share of the market. Suppose that customers assess door quality first in terms of the ease of operation, followed by its durability. The quality improvement team (QIT) might then assign an engineering team to determine the factors that contribute to these two main problems. Smooth operation of a garage door is a critical quality characteristic that affects both problems: If a door is too heavy, it’s difficult and unsafe to balance and operate; if it’s too light, it tends to buckle and break down frequently or may not close properly. Suppose the design engineers determine that a standard…
The average lifespan of a Ghanaian is 57years. The average lifespan of males in Ghana is known to be 55 years while the average lifespan of females in Ghana is known to be 60 years. The average lifespan of people from the Northern region of Ghana is known to be 58 years while the average lifespan of people in the East region of Ghana is known to be 54 years. Use the above information to answer the following questions: (i).With your reasons, discuss all possible population parameters from the above information. (ii).With your reasons, discuss all possible sample statistics from the above information. (iii) Compare and contrast the average lifespan of males and females. Which group average is more likely to represent the corresponding population parameter? Give reasons for your answer.
Which model—the one for parliaments or the one for ministries (or cabinets)—presented in the article has the greater explanatory power? How can you tell?
You want to find out whether caffeine mitigates the effect of alcohol on reaction time. To study this, you administer to your subjects a drink that is equivalent to three 12-ounce beers, followed by the equivalent of two cups of coffee. Then your subjects complete a simulated driving task in which they must follow a fixed speed limit while driving on a straight road. Wind periodically and randomly pushes the simulated vehicle right, left, or not at all. Speed is measured in miles per hour above or below the 60-mph speed limit, with 1 mph being the smallest unit on the scale. Suppose the first subject scores 5 mph. Determine the real limits of 5. 1)The lower real limit is: 2)The upper real limit is: When measuring weight on a scale that is accurate to the nearest 0.1 pound, what are the real limits for the weight of 120 pounds? a)119.75–120.25 b)120–121 c)119.95–120.05 When measuring weight on a scale that is accurate to the nearest…
improvements to the experimental design?
Demand for haircut at PogiPoints Barber Shop has increased steadily for the past few months as seen in the following time series data. Do the necessary computations and choose the best answer that would complete each statement. With MAD as the criterion, the best forecasting model for this time series data is: * A.)Naïve approach B.)2-week SMA C).WMA with weights: 0.5, 0.3, 0.2 D). D. ES with alpha = 0.8

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