Using the Shapley-Shubik method, is it possible for a dummy to be pivotal?
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Using the Shapley-Shubik method, is it possible for a dummy to be pivotal?
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- Hello. Could anyone help me on this question? I have tried it four times and only one attempt left. What I am confusing is that some choice are not individual and variables. Like all young children, children who eat snack and cartoon characters. But if i leave them there, it shows me I am wrong. Pls help me on this and explanation would be appreciated. Thanks!A study is being planned to compare the effects of 2 different exercise protocols on the fine motor control of children with developmental delays. The children from a preschool for special needs childřen are targeted as subjects for this study. There are two classrooms specifically for these children, so each classroom is assigned to one of the 2 protocols. Classroom X gets the usual exercise protocol, while Classroom Y receives the newly designed exercise protocol. A test that includes letter tracing as a measure of fine motor control is administered to the children before and after the 16 weeks of the exercise protocols. What is the most Ilkely threat to internal validity? regression to the mean O selection error O mortality maturationA national standard requires that public bridges over 20 feet in length must be inspected and rated every 2 years. The rating scale ranges from 0 (poorest rating) to 9 (highest rating). A group of engineers used a probabilistic model to forecast the inspection ratings of all major bridges in a city. For the year 2020, the engineers forecast that 6% of all major bridges in that city will have ratings of 4 or below. Complete parts a and b. a. Use the forecast to find the probability that in a random sample of 7 major bridges in the city, at least 3 will have an inspection rating of 4 or below in 2020. P(x≥3)=
- In the Spring and Summer of 2020, mass protests erupted across the US in response to police violence against African Americans. At the same time, the US was experiencing a COVID-19 pandemic. Many public health experts wondered whether participating in these protests (exposure) would be associated with being diagnosed with COVID-19 (outcome). Imagine you have been hired to draft a plan to study this potential association. Which study design would you choose? (Almost any design is okay). Explain the factors that influenced why you selected that one. Include some of the benefits/drawbacks of your selected study design and the benefits/drawbacks of the study designs you did not select. Write your research question and make a hypothesis about the results. Briefly describe how you would conduct your study, including Recruitment strategy and a number of participants (Be sure you have people in all 4 boxes of the 2x2 table!) Measure of association to be used (RR/OR) Potential confounding…A company manufacturing CDs is working on a new technology. A random sample of 646 Internet users were asked: "As you may know, some CDs are being manufactured so that you can only make one copy of the CD after you purchase it. Would you buy a CD with this technology, or would you refuse to buy it even if it was one you would normally buy?" Of these users, 59% responded that they would buy the CD. Complete parts a and b below. a) Create a 99% confidence interval for this percentage. ( 54.008 %, 63.993 %) (Round to three decimal places as needed. Use ascending order.) b) If the company wants to cut the margin of error by two thirds, how many users must they survey? The company must survey a total of (Type a whole number.) usersa production line is producing light bulbs. 90% of the bulbs are good and .10% are defective. Suppose each bulbls condition is dependent of the other bulbs condition Select three buls at randon: 1. P(all 3 are good)=? 2. P( 2 of 3 are good)= 3. P(1 of 3 are good)=
- For Conclusion, the two answer options are "Conclude not all means of the three assembly methods are equal" and "Cannot reject the assumption that the means of all three assembly methods are equal".Suppose you are a basketball coach and you've taken some measures on your starting five players. The two measures that you're most interested in right now are scores on a two-minute jump shot test (x) and time in seconds on a shuttle run (y). You want to determine a couple of things:1) On which variable (jump shots or shuttle run time) are your starters more consistent? 2) For player #1, is she a faster runner or better at jump shots? 3) For player #4, is she a faster runner or better at jump shots? Player # Jump shot score (x) Shuttle run time (y) 1 17 37 2 20 45 3 4 59 4 34 48 5 22 42During the get-together for Gerdau developers, 17 employees sat around a large round table. Each of the collaborators received a paper that said if he should say only the truth or only a lie. During the dynamic performed, each one should say which colleagues were lying and which were telling the truth. At the end of the game, all employees who were participating said: "The two people next to me are liars". At a minimum, how many employees received the paper saying to tell only the truth?
- Hydroxychloroquine is a drug sometimes used to treat malaria or rheumatoid arthritis. This drug has recently received some notoriety as a possible treatment for those suffering from Covid-19. A hydroxychloroquine tablet comes in a 200 mg strength, but hydroxychloroquine dosage may be anywhere from 200 to 1200 mg. Thus, a patient must take multiple pills. Suppose X is the number of pills taken by a randomly selected hydroxychloroquine patient. Then according to JJSDA, x has the following probability mass function, p(x), and cumulative distribution function F(x). 1 2 4 p(x) .04 .27 .35 .10 07 F(x) .04 .31 a .83 .93 1 a. If F is the cumulative distribution function of x, then what is the value of a? b. If p is the probability mass function for x, then evaluate b. c. What is the expected value of x? d. Calculate the variance of x. e. What is the variance of 0.7*x? f. The CDC 'randomly' checks the dosage of 10 hydroxychloroquine patients. What is the probability that exactly 4 of the…You want to determine whether the reasons given by workers for continuing their education is related to job type. In the study, you randomly collect the data shown in the contingency table. At α=0.01, can you conclude that the reason and type of worker are dependent? Complete parts (a) through (d). Reason Type of worker Professional Personal Both Technical 36 39 32 Other 47 21 32 Question content area bottom Part 1 (a) Identify the claim and state the null and alternative hypotheses. H0: Reasons are ▼ independent of dependent on the type of worker. Ha: Reasons are ▼ independent of dependent on the type of worker. The ▼ alternative hypothesis null hypothesis is the claim.If you had four factors, were interested in main effects and two-way interactions and wanted to conduct a three-level Central Composite Design, the total experimental runs would be the coded axial value would be ? and
