Does the Public Support Sin Taxes?A survey of 1000 adults in the US conducted inMarch 2011 asked "Do you favor or oppose 'sintaxes' on soda and junk food?" The proportionin favor of taxing these foods was 32%. .11"32% favor 'sin taxes' on soda, junk food",Rasmussen Reports, April 1, 2011.Part 1Your answer is correct.(a) Find a 90% confidence interval for theproportion of US adults favoring taxes onsoda and junk food.Round your answers to three decimal places.The 90% confidence interval is0.344eTextbook and MediaHint0.296to Part 2Your answer is correct.(b) What is the margin of error?Round your answer to one decimal place.margin of error = 24eTextbook and MediaHintPart 3Your answer is incorrect.(c) If we want a margin of error of only 1% (with90% confidence), what sample size is needed?sample size =%Round your answer up to the nearest integer.iAttempts: unlimited!

From the provided information, Sample size (n) = 1000 Confidence level = 90%

Answered: Does the Public Support Sin Taxes? A…

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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Part 1 A study of the effects of acid rain on trees in a particular forest shows that 33 of 120 trees sampled exhibited some sort of damage from acid rain. This rate seemed to be higher than the 20% quoted in a recent article on the average proportion of damaged trees in the Northeast. Does the sample suggest that trees in this forest are more susceptible than trees from the rest of the region? Comment, and write up your own conclusions based on an appropriate confidence interval as well as a hypothesis test. Include any assumptions you made about the data. Determine which hypotheses will test if the trees in this Forest are more susceptible than trees from the rest of the region. Determine which assumptions and conditions below are met. Select all that apply. A. The 10% condition is met. B. The randomization condition is met. C. The independence assumption is met. D. The success/failure condition is met. E. None of the assumptions and conditions…
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Do crows remember the faces of people who bother them? A volunteer wearing a caveman mask was scolded by 158 out of 444 crows he encountered, and the crows scolded a person in the neutral mask in 109 out of 922 encounters. Load the data above into StatKey, and use the percentile method to find a 90% confidence interval for the difference in the proportion of crow scoldings between volunteers wearing the caveman mask and those wearing the neutral mask. What is the left endpoint and right endpoint?
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Part 1 of 3: In a survey of 345 randomly selected gun owners, it was found that 52 of them said they owned a gun primarily for protection. Find the 3-decimal small number in the 95% confidence interval Part 2 of 3: Find the 3-decimal large number in the 95% confidence interval Part 3 of 3: What is the 3-decimal margin of error
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