The data given to the right includes data from 41 candies, and 8 of them are red.The company that makes the candy claims that 29% of its candies are red. Usethe sample data to construct a 90% confidence interval estimate of thepercentage of red candies. What do you conclude about the claim of 29%?Weights (g) of a Sample Bag of CandyRedBlue0.928Brown0.8130.795GreenYellow0.9050.8110.7230.9180.9290.8010.9480.9130.9420.7290.777Construct a 90% confidence interval estimat of the population percentage ofcandies that are red.0.7950.7460.8220.7030.8150.7580.9440.9390.8330.7720.8370.9560.703%

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Answered: The data given to the right includes…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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This questions has multiple subparts. For your convenience, the description of the problem is provided with each component. One issue of Newsweek magazine reported results of a poll to investigate whether there was a difference between the percentage of women and the percentage of men, who approved of the way Ronald Reagan was handling his job as president. Of 510 women interviewed, 204 indicated approval. Of 500 men, 245 indicated approval. Find a 90% confidence interval for the difference between the true proportion of men and the proportion of women who approved of Reagan's performance. Show the numerical answer for each of the below components: Let p1 be the true proportion of women who approved Reagan and p2 be the true proportion of men who approved Reagan Value of for 4- decimal places is:
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Which of the following is the concept illustrated with the misentered data? OA. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence interval is more robust. OB. The procedure for constructing the confidence interval is not robust. The smaller the sample size, the less resistant the mean. Therefore, the confidence interval is more robust. OC. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence interval is less robust.
1. Construct a 95% confidence interval to estimate the proportion of Wingate male students that are left- handed. From previous class surveys 17 out of 126 male students were left-handed. Interpret your confidence interval. By interpretation, I mean something like what is contained in the class notes, which is "we are X% certain that the true proportion of ...". 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that are left-handed. From class surveys 15 out of 181 female students were left-handed. Interpret your confidence interval. 3. Does it appear that males and females have the same proportion of left-handed people? This will help you decide - if your confidence intervals from problems 1 and 2 do not overlap, you could conclude that the proportion of left-handed males does not equal the proportion of left-handed females. If they overlap, you could not rule out the possibility that the two proportions are equal.
. A 95% confidence interval for the mean reading achievement score for a population of third grade students is (44.2, 54.2). Suppose you compute a 99% confidence interval using the same information. Which of the following statements is correct? A. The intervals have the same width. B. The 99% interval is longer. C. The 99% interval is shorter. D. None of the above.
#5
Let's say you survey a random sample of people. You find that 53% prefer apples over oranges. You make a 90% confidence interval for the proportion of people who prefer apples. The resulting confidence interval is: 0.448 to 0.612 Based on this interval, assess the following statement: There is a 90% probability that the proportion of people who prefer apples over oranges is between 0.448 and 0.612. is it true or false
A sample of freshman takes a reading comprehension test and their scores are summarized below. Sample scores: 16, 8, 8, 6, 9, 11, 13, 9, 10 a. if the mean for the general population on this test is m=12, can you conclude that this sample is significantly different from the population. Test with a=.05 b. Calculate a 90% confidence interval around your mean.
Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 178 162 161 241 206 158 .….. OB. We are confident that 95% of all celebrities have a net worth between $ million and $ million. (Round to one decimal place as needed.) example Get more help. 153 What is the confidence interval estimate of the population mean μ? $122.1 million
A College Alcohol Study interviewed an SRS of 1000 college students about their drinking habits. Suppose that half of all college students "drink to get drunk" at least once in a while. That is sample proportion, p-hat 0.5. %3D 9. Estimate a 95% confidence interval for the actual percentage among all students. Round the number to nearest hundredth. O47% to 53% O 50% to 55% 43% to 52% O 44% to 56%
#34).

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