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Exercise 1: A certain pregnancy test claims to be 99% accurate. Of 10,000 women who take the test, 40% of them are actually pregnant.
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Janlandhe conducted a study on the effect of an oral antiplaque rinse on plaque built up on teeth.
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A psychologist would like to determine whether there is a relation between depression and aging. It is known that the general population averages U=...
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The medical director and chief nursing officer at your hospital have agreed to institute a new safety protocol for diabetes who take oral
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If the area to the right of xin a normal distribution is 0.543, what is the area to the left of x?
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40% of households say they would feel secure if they had $50,000 in savings you randomly select 8 households and ask them if they would feel secure
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Professor Jon Hammer has a pool of 15 multiple-choice questions regarding probability distributions. Four of these questions involve the...
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A researcher collects demographic data on the marital status of the study subjects. the variable is measured as the number of years married on a...
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Person Before After 1 176 2 192 3 185 4 177 5 196 6 178 7 196 8 181 9 158 10 201 11 191 12 193 13 176 14 212 15 177 16 183 17 210 18 198 19 157 20
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Mothers Against Drunk Driving (MADD) is a very visible group whose main focus is to educate the public about the harm caused by drunk drivers.
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In a history class, students take a weekly multiple choice quiz consisting of 6 questions, each with 4 possible answers.
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When we see a moving scene, we perceive it as some segmentation. But this is neither image segmentation based on image intensity, neither motion...
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5 What are the probabilities of the events described in Exercise 4?
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This is a sample equation. How would I compute this problem on Excel?
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I've been working on these two questions for a while. The wording is throwing me off, and I'm struggling to work through the problems. Thx so much!
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The question is on Statistical Mechanics, Kinetic Theory: Poisson Brackets:
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Confused by this one. The data represent a sample of the number of home fires started by candles for the past several years.
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Really struggling with this one.
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The inspection division of the Lee County Weights and Measures Department is interested in estimating the actual amount of soft drink that is placed
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A large research hospital has accumulated statistical data on its patients for an extended period.
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Regression Analysis: Price versus Horsepower, Cylinders Analysis of Variance SourCe 0F A0155 Adi MS F-Valu'e PValue Regression __ 0.000 Error _ Total...
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Many high school students take the AP tests in different subject areas.
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Trying to determine if there are more children in Pennsylvania diagnosed with ASD than in Utah. 245 eight year olds diagnosed with ASD out of 18,440...
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In a finance course at a business school, 6 students are randomly selected. Their mean score on the final exam is 75, with standard deviation 8.
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Are there more children diagnosed with Autism Spectrum Disorder (ASD) in states that have larger urban areas over states that are mostly rural?
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An analysis of variance is used to evaluate the mean differences for a research study comparing four treatments with a separate sample of n = 5 in...
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Credit Card Fraud Detection: You are tasked with setting up a fraudulent purchase alert program for a bank.
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We are setting up virtual shopping tasks on an online survey. In each shopping tasks, we can only show up to 20 products on the screen. There are 80...
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I'm literally stuck on this question. Find the marginal revenue equation and the marginal revenue production of the given number of bushels....
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I need help understanding the process to figure out what the p-value is, but just as important as the correct response is the process how you got
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The data are shown below and are available in the excel file exercise 5. $ Based on the standard model, the estimate of the residual standard...
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Otherwise the intensity parameter (accident rate) would not be constant over the entire time period.
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Notice that the random variable Y is the number of successes observed in the n trials. Here, success is merely a name for one of the two possible...
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G) Is the coefficient estimate for the ATAR requirement statistically different than zero at the 5% level of significance?
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2100/2900 = 0.724 800/2900 = 0.276 Table 9: Observed marginal distribution for hospital. QUESTION: What is the marginal distibution for survival
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Usage gzcon(con, level = 6, allowNonCompressed = TRUE) Arguments con a connection. Level integer between 0 and 9, the compression level when writing....
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For the preceding problem you should find that there are significant differences among the three treatments. One reason for the significance is that...
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In a poll, respondents were asked whether they had ever been in a car accident.
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During 2015 an employee drove a company vehicle valued at $15,000.00, with 5200 miles for personal use.
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Regression Analysis: Price versus Category_2 (Compact), ory_6 (SLR) Analysis of Variance Source DF Adj SS Adj MS F-Value P-Value Regression 5 4793902...
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Working on a Percentile question Question: A university wants to estimate the unknown 25-percentile height, pi 0.25 (in cm), of its students.
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in a randomized controlled trial, if you have a Placebo Control arm in the trial, this is the same as having : A second experimental arm...
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For a normal distribution with mean of 80 and a standard deviation of 8, find the number of standard deviations the raw score 67 is from the mean ( a...
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Solve by Linear Programming. A company manufactures two types of cleaners. One is an all-purpose cleaner (AP) and the other is an industrial strength...
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The topic is a test on a hypothesis on proportion.
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Hi I have a homework question that I just don't think I have the formula right. Question: The logistic equation is commonly used to model growth...
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Question 5: the logistic equation is commonly used to model the growth phenomena in biological populations:
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The cholesterol levels of 100 students randomly selected at a university were measured at the beginning (x) and at the end (y) of a health dynamics...
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According to the Texas Department of State Health Services, there are approximately 17.7 million adults (age 18+) living in Texas, of which 1.81...
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I have completed week 3 and 4, my papers are on declining sales.
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