Help please :) Response Ppiemsdd-ons HelpLast edit was seconds agoBIUANunito124Baseball A baseball team played 81 games at home and 81 games away. Theteam won 48 of their home games and 44 of the games played away. We canconsider these games as samples from a potentially large number of gamesplayed at home and away. Construct both 90% confidence intervals for theproportion of the games that the team wins at home and the games they winwhen they're away. Is there enough evidence to suggest that a baseball teamfrom this population is more likely to win more home games than away games?Explain.apter 6 Extended Response ProblemsName: Julian Nutter7. Ninth-grade Test Scores The table below shows data from Canadian and U.S.lili

Confidence interval are used to measure the interval range within which the true value of the…

Answered: Baseball A baseball team played 81…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A company manufacturing some medicine tablets with the Average weight of 500 mg and population variance of 36 mg. A quality officer in a company wants to investigate whether the weight of Paracetamol tablets is differed from 500 mg. To investigate He taken 50 tablets at the time of manufacturing and find that the average weight of 50 tablets is 504.5 mg. Make the hypothesis test that the average weight of tablets is differ from or not at 95% confidence level. INSTRUCTIONS:You can perform this exercise in Minitab? the exercise is already solved! But I just want to see how to do it in Minitab, please! Note: the exercise is already solved! as seen in the image I attached, I just want to see it solved in minitab! (with pictures, or sreenshots) however, but I want to see the procedure :)
A manufacturing company produces water filters for home refrigerators. Thethe process has typically produced some defective liters. A random sample of 300 liters yielded 12 defects. Construct and interpret a 90% confidence interval for the true proportion of defective water liters.
Russia has recently started a push for stronger smoking regulations much like those in West- ern countries concerning cigarette advertising, smoking in public places, and so on. The DATAfile named Russia contains sample data on smoking habits of Russians that are con- sistent with those reported by The Wall Street Journal (The Wall Street Journal, October 16, 2012). Analyze the data using Excel and answer the following questions. a. Develop a point estimate and a 95% confidence interval for the proportion of Russians who smoke. b. Develop a point estimate and a 95% confidence interval for the mean annual per capita consumption (number of cigarettes) of a Russian. c. For those Russians who do smoke, estimate the number of cigarettes smoked per day.
What proportion of students are willing to report cheating by other students? A student projectput this question to an SRS of 172 undergraduates at a large university: "You witness two students cheating on aquiz. Do you go to the professor?" The Minitab output below shows the results of a significance test and a 95%confidence interval based on the survey data.El SessionTest and Cl for One ProportionTeat of p = 0.5 vs p not = 0.5Sample1X 1 Sample P95: CI246 439 0.560364 (0.513935, 0.606794)
A computer store near campus is stocking its shelves, and wants to know the relative proportions of UCI undergraduates who use PCs vs Macs. A random sample of 60 UCI undergraduates is surveyed, and each student is asked whether they use a PC or Mac more often. 55% select ”PC.” The confidence interval is pretty wide and leaves a lot of uncertainty over the proportion of UCI undergarduates who use PCs. With the goal to estimate a narrower 95% confidence interval, what is a simple change to this study that you could suggest for the next time that a similar survey is conducted? (for the confidence interval I got the answer (0.4241, 0.6759)
A quality conscious disc manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1 of 2: suppose a sample of 865 floppy disks is drawn. Of these disks, 112 were defective. Using the data, construct the 95% confidence interval for the population proportion of disks which are defective. Need lower endpoint and upper endpoint, round to three decimal points
The Chartered Financial Analyst (CFA) designation is fast becoming a requirement for serious investment professionals. Although it requires a successful completion of three levels of grueling exams, the designation often results in a promising career with a lucrative salary. A student of finance is curious about the average salary of a CFA charterholder. He takes a random sample of 45 recent charterholders and computes a mean salary of $155,000 with a standard deviation of $18,000. Use this sample information to determine the 95% confidence interval for the average salary of a CFA charterholder. Note: Round your final answers to the nearest whole number.
A doctor claims that the mean number of hours of sleep that seniors in high school get per night differs from the mean number of hours of sleep college seniors get per night. To investigate, he selects a random sample of 50 high school seniors from all high schools in his county. He also selects a random sample of 50 seniors from the colleges in his county. He constructs a 95% confidence interval for the true mean difference in the number of hours of sleep for seniors in high school and seniors in college. The resulting interval is (0.57, 1.25). Based upon the interval, can the doctor conclude that mean number of hours of sleep that seniors in high school get per night differs from the mean number of hours of sleep college seniors get per night? yes because 1 is in the confidence interval yes because 0 is not in the confidence interval no because 1 is in the confidence interval no because 0 is not in the confidence interval
In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2462 subjects randomly selected from an online group involved with ears. 973 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys.
The vegetarian resource group commissioned Harris Poll in 2016 to conduct a nationally representative online poll of 2,015 adults aged 18 and over. They found that 3.3% of the respondents identified as vegetarian. A. Construct and interpret a 95% confidence interval for the proportion of the vegitarians B. Explain why a 90% confidence interval for the proportion of vegetarians will be wider/narrower than the one in (a). Construct the interval to confirm. C. Explain why the interval will be wider/narrower than the one in (a) if the sample size changed to n=300. Construct the interval to confirm
A beverage company has produced a new energy drink and wants to know if their marketing campaign should focus more on men or women. They create a test advertisement and show it to random samples of 150 men and 150 women. After viewing the advert, each participant is asked whether they would be willing to buy this energy drink. 56 of the men say yes and 78 of the women say yes. a) At the 10% significance level, test whether the product is more popular among women than men b) Find 10% confidence intervals
Smallpox Vaccine. ABCNEWS.com published the results of a poll that asked U.S. adults whether they would get a smallpox shot if it were available. Sampling, data collection, and tabulation were done by TNS Intersearch of Horsham, Pennsylvania. When the risk of the vaccine was described in detail, 4 in 10 of those surveyed said they would take the smallpox shot. According to the article, “the results have a three-point margin of error” (for a 0.95 confidence level). Use the information provided to obtain a 95% confidence interval for the percentage of all U.S. adults who would take a smallpox shot, knowing the risk of the vaccine.

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