Homework Answers
![P(H|E) = P(E|H) P(H) / [P(E|H) P(H) + P(E|not H) P(not H)]](http://img.homeworklib.com/questions/8094c8e0-a312-11eb-b90c-71e25b7dfbb1.png?x-oss-process=image/resize,w_560)
![= 0.04*0.008/[0.04*0.008+0.96*0.992] = 0.00032/[0.00032+0.95232] =0.00032/0.95264 =0.000336](http://img.homeworklib.com/questions/80f00d20-a312-11eb-8a64-15bedfa6678e.png?x-oss-process=image/resize,w_560)
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P(EH)P(H) P(HE) = P(EH)P(H) + P(Enot-H)P(not-H) Assume the following: PIE|H) = false negative = P(test neg...
Use the following results from a test for marjuana use, which is provided by a certain...
Use the following results from a test for marjuana use, which is provided by a certain drug testing company Among 148 subjects with positive test results, there are 24 talse positive results among 159 negative results there are 4 false negative results. I one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marjuana (Hint Construct a table ) The probability that a randomly selected subject tested negative or did...
Suppose you want to test the following hypotheses: H0: p ≥ 0.4 vs. H1: p <...
Suppose you want to test the following hypotheses: H0: p ≥ 0.4 vs. H1: p < 0.4. A random sample of 1000 observations was taken from the population. Answer the following questions and show your Excel calculation for each question clearly: (a) Let p ̂ be the sample proportion. What is the standard error of sample proportion (i.e., σ_p ̂ ) if H0 is true? (b) If the sample proportion obtained were 0.38 (i.e., p ̂=0.38), what is its p-value?...
Name: Section Number To be graded assignments must be completed and submitted on the original book...
Name: Section Number To be graded assignments must be completed and submitted on the original book page Hypothesis Testing -As a Diagnostic Test ? Answer the following questions over the content material you just read or watched. 1. What is a false positive rate in the context of hypothesis testing? 2. What is the goal of hypothesis testing? 3. What is a Type I error, and how is it related to an "alpha level?" 4. What does it mean to...
00 Usman Haruna: Attempt 1 Use the following information for problems 9 16: Atrazine is a...
00 Usman Haruna: Attempt 1 Use the following information for problems 9 16: Atrazine is a herbicide that selectively controls several species of weeds without harming crops. It is widely used on corn in the Gallatin Valley. If the atrazine concentration is too high, the herbicide has the potential to cause weight loss, cardiovascular damage, retinal and some muscle degeneration, and mammary tumors. Environmental Protection Agency (EPA) researchers measured atrazine concentrations (in mg/L) in both June and September at a...
(a) Find 6,-x2). answer: (b) Determine the rejection region for the test of H. : (H1...
(a) Find 6,-x2). answer: (b) Determine the rejection region for the test of H. : (H1 - H2) = 2.1 and H,:(H1 - H2) > 2.1 Use a = 0.01. Z > (c) Compute the test statistic. z = The final conclustion is A. We can reject the null hypothesis that (H1-H2) = 2.1 and accept that (H1-H2) > 2.1. OB. There is not sufficient evidence to reject the null hypothesis that (M - M2) = 2.1. (d) Construct a...
State whether the following statement is True or False. The area under the standard normal distribution...
State whether the following statement is True or False. The area under the standard normal distribution curve from negative infinity to infinity is 1. Use the normalcdf feature on the calculator to find the specified area under standard normal distribution curve. Round your answers to four de the nearest ten-thousandth). To the right of z = 1.13 Question 3 (6 points) On the daily run of an express bus, the average number of passengers is 48. The standard deviation is...
J.V., a 56-year-old delivery truck driver, has been taken to the emergency department (ED) because he...
J.V., a 56-year-old delivery truck driver, has been taken to the emergency department (ED) because he was experiencing chest pain. It started just after he had a quick lunch at a food truck. He told the paramedic that he often has chest pain but that it goes away when he "takes a swig of antacid," but this time the pain did not stop. On arrival he was given another dose of antacid and sublingual nitroglycerin, and the chest pain stopped....
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling...
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 6 or a number greater than 3 (b) Rolling a number less than 4 or an even number (c) Rolling a 4 or an odd number (a) P(6 or number> 3)- (Round to three decimal places as needed) (b) P/1 or 2 or 3 or 4 or 6)-( Round to three decimal places as needed.) (c) P(4 or 1 or 3 or 5)...
Grammar & Writing Style Which sentence communicates most concisely? If I am right, then we need...
Grammar & Writing Style Which sentence communicates most concisely? If I am right, then we need to be innovative in our search for new solutions. If I am right about this being the case, then we as individuals need to be creative and innovative in our search for new solutions. Which of the following sentences should be rewritten in active voice? The experiment was first conducted at Yale University in the 1970s. The gold medal was won by gymnast Peter...
Question: The whole process before administering blood can be broken down into the following nine activities:...
Question: The whole process before administering blood can be broken down into the following nine activities: A. Register B. Consult and take tests C. Sample blood D. Deliver blood sample to lab E. Deliver blood to bank (CBS) F. Deliver test blood to lab (CBS) G. Cross-match H. Retrieve blood from bank I. Deliver blood to the clinic (Note: Administering blood is a pure medical activity. This activity will be excluded since your the analysis will not help to reduce...
Use the following results from a test for marjuana use, which is provided by a certain drug testing company Among 148 subjects with positive test results, there are 24 talse positive results among 159 negative results there are 4 false negative results. I one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marjuana (Hint Construct a table ) The probability that a randomly selected subject tested negative or did...
Name: Section Number To be graded assignments must be completed and submitted on the original book page Hypothesis Testing -As a Diagnostic Test ? Answer the following questions over the content material you just read or watched. 1. What is a false positive rate in the context of hypothesis testing? 2. What is the goal of hypothesis testing? 3. What is a Type I error, and how is it related to an "alpha level?" 4. What does it mean to...
00 Usman Haruna: Attempt 1 Use the following information for problems 9 16: Atrazine is a herbicide that selectively controls several species of weeds without harming crops. It is widely used on corn in the Gallatin Valley. If the atrazine concentration is too high, the herbicide has the potential to cause weight loss, cardiovascular damage, retinal and some muscle degeneration, and mammary tumors. Environmental Protection Agency (EPA) researchers measured atrazine concentrations (in mg/L) in both June and September at a...
(a) Find 6,-x2). answer: (b) Determine the rejection region for the test of H. : (H1 - H2) = 2.1 and H,:(H1 - H2) > 2.1 Use a = 0.01. Z > (c) Compute the test statistic. z = The final conclustion is A. We can reject the null hypothesis that (H1-H2) = 2.1 and accept that (H1-H2) > 2.1. OB. There is not sufficient evidence to reject the null hypothesis that (M - M2) = 2.1. (d) Construct a...
State whether the following statement is True or False. The area under the standard normal distribution curve from negative infinity to infinity is 1. Use the normalcdf feature on the calculator to find the specified area under standard normal distribution curve. Round your answers to four de the nearest ten-thousandth). To the right of z = 1.13 Question 3 (6 points) On the daily run of an express bus, the average number of passengers is 48. The standard deviation is...
You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 6 or a number greater than 3 (b) Rolling a number less than 4 or an even number (c) Rolling a 4 or an odd number (a) P(6 or number> 3)- (Round to three decimal places as needed) (b) P/1 or 2 or 3 or 4 or 6)-( Round to three decimal places as needed.) (c) P(4 or 1 or 3 or 5)...
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