Words:OQUESTION 3In a consumer reports article, the magazine reported that 207 of 316 chicken breasts in the United States contained e colibacteria.a. Find and interpret a 99% confidence interval for the proportion of chicken breasts that contain e. coli (4points)b. Would you conclude that the proportion of chicken containing e. coli is greater than 50%? Explain youranswer (2 points)TTTT Paragraph vArial3 (12pt),エ、ヨ-三/o0口%三三三三三 *HTHL CSSClick Saue and Submit to save and submit. Click Save All Answers to save all answerserchHe 9.3)

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Answered: Words:O QUESTION 3 In a consumer…

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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In a sample of 500 Canadians, it was found that 400 people preferred apple products. In a sample of 700 Americans it was found that 600 preferred apple products. Is the proportion Canadians who prefer apple products less than Americans. 1. Construct 95% confidence interval for difference of proportions. 2. From the confidence interval, do you think that the proportion of Canadians who prefer apple products is different from Americans.
Sample # 1 and has been provided in the second screenshot (hand written)
A survey of 32,782 adults in 2004 indicated that 24.6% of adults were current smokers. A similar study conducted in 1995 of 40,000 adults indicated that 29.7% were current smokers. a. Find and interpret a point estimate of the difference between the proportion of current smokers in 1995, and the proportion of current smokers in 2004. b. A 95% confidence interval for the true difference is (-0.058,-0.045). Interpret. c. What assumptions must you make for the confidence interval i part b to be valid? (…) a. Find a point estimate of the difference between the proportion of current smokers in 1995 and the proportion of current smokers in 2004. (Round to three decimal places as needed.)
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