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Exit poll. Edison Research gathered exit poll results from several sources for the Wisconsin recall 3.22 election of Scott Walker. They found that 53% of the respondents voted in favor of Scott Walker. Addition- ally they estimated that of those who did vote in favor for Scott Walker, 37% had a college degree, while 44% of those who voted against Scott Walker had a college degree. Suppose we randomly sampled a person who participated in the exit poll and found that he had a college degree. What is the probability that he voted in favor of Scott Walker?43

Exit poll. Edison Research gathered exit poll results from several sources for the Wisconsin recall 3.22 election of Scott Walker. They found that 53% of the respondents voted in favor of Scott Walker. Addition- ally they estimated that of those who did vote in favor for Scott Walker, 37% had a college degree, while 44% of those who voted against Scott Walker had a college degree. Suppose we randomly sampled a person who participated in the exit poll and found that he had a college degree. What is the probability that he voted in favor of Scott Walker?43

MATLAB: An Introduction with Applications
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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**3.21 It’s never lupus.** Lupus is a medical condition where antibodies that should attack foreign cells instead target proteins in the blood, leading to high risks of infection and blood clotting. It is believed that 2% of the population suffers from lupus. However, the statement "It’s never lupus" is a popular saying from the Fox television show *House* because lupus diagnosis tests are 98% accurate but often result in false positives. The question is: Do you think there is truth to the statement "It’s never lupus"? Use appropriate probabilities to support your answer. **3.22 Exit poll.** Edison Research collected exit poll results from several sources during the Wisconsin recall election of Scott Walker. They found that 53% of the voters were against Scott Walker while 44% supported him. They noted that 17% of those who voted in favor had a college degree, whereas 44% of those who voted against Scott Walker also had a college degree. Problem: Suppose we randomly sampled a person who participated in the exit poll and found that he had a college degree. What is the probability that he voted in favor of Scott Walker? **References:** 42. B. Laeng, et al. "Why do blue-eyed men prefer women with the same eye color?" *Ecology and Sociobiology* 61.3 (2007): 371–383.
Transcribed Image Text:**3.21 It’s never lupus.** Lupus is a medical condition where antibodies that should attack foreign cells instead target proteins in the blood, leading to high risks of infection and blood clotting. It is believed that 2% of the population suffers from lupus. However, the statement "It’s never lupus" is a popular saying from the Fox television show *House* because lupus diagnosis tests are 98% accurate but often result in false positives. The question is: Do you think there is truth to the statement "It’s never lupus"? Use appropriate probabilities to support your answer. **3.22 Exit poll.** Edison Research collected exit poll results from several sources during the Wisconsin recall election of Scott Walker. They found that 53% of the voters were against Scott Walker while 44% supported him. They noted that 17% of those who voted in favor had a college degree, whereas 44% of those who voted against Scott Walker also had a college degree. Problem: Suppose we randomly sampled a person who participated in the exit poll and found that he had a college degree. What is the probability that he voted in favor of Scott Walker? **References:** 42. B. Laeng, et al. "Why do blue-eyed men prefer women with the same eye color?" *Ecology and Sociobiology* 61.3 (2007): 371–383.
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