4.31 Confidence in institutions. A Gallup Poll (June 1–4, 2013) interviewed a random sample of 1529 adults (18 years or older). The people in the sample were asked about their level of confidence in a variety of institutions in the United States. Here are the results for small and big businesses: Great Quite Very No deal a lot Some little None opinion Small 0.29 0.36 0.27 0.07 0.00 0.01 business Big business 0.09 0.13 0.43 0.31 0.02 0.02 (a) What is the probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small businesses? Find the similar probability for big businesses. (b) Using your answer from part (a), determine the probability that a randomly chosen person has at least some confidence in small businesses. Again based on part (a), find the similar probability for big businesses. Go te Act

4.31 Confidence in institutions. A Gallup Poll (June 1–4, 2013) interviewed a random sample of 1529 adults (18 years or older). The people in the sample were asked about their level of confidence in a variety of institutions in the United States. Here are the results for small and big businesses: Great Quite Very No deal a lot Some little None opinion Small 0.29 0.36 0.27 0.07 0.00 0.01 business Big business 0.09 0.13 0.43 0.31 0.02 0.02 (a) What is the probability that a randomly chosen person has either no opinion, no confidence, or very little confidence in small businesses? Find the similar probability for big businesses. (b) Using your answer from part (a), determine the probability that a randomly chosen person has at least some confidence in small businesses. Again based on part (a), find the similar probability for big businesses. Go te Act

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Description: 4.31 Confidence in institutions. A Gallup Poll (June1–4, 2013) interviewed a random sample of 1529adults (18 years or older). The people in the samplewere asked about their level of confidence in a varietyof institutions in the United States. Here 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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The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
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Question Bias Which of the following survey questions would NOT show bias? Select one: Don't you agree that eating whole grain food improve your O a. health? O b. How much do you exercise during an average week? O c. If someone is distracted by text messaging while they are driving, are they more likely to have an accident? O d. Is outsourcing of jobs to other countries justified if it takes away current jobs from American citizens.
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Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.7 8.9 9.2 8.9 9.8 9.9 10.3 8.6 10.5 9.2 9.2 D