In 2009, the Gallup-Healthways Well-Being Index showed that 63.1% of adults in the U.S. were either overweight or obese. What is the probability that there will be at least 20 overweight/obese persons among our sample of 40 people? A. 0.50 B. 0.9570 C. 0.631 D. 0.316

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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In 2009, the Gallup-Healthways Well-Being Index showed that 63.1% of adults in the U.S. were either
overweight or obese. What is the probability that there will be at least 20 overweight/obese persons
among our sample of 40 people?
A. 0.50
B. 0.9570
C. 0.631
D. 0.316
Transcribed Image Text:In 2009, the Gallup-Healthways Well-Being Index showed that 63.1% of adults in the U.S. were either overweight or obese. What is the probability that there will be at least 20 overweight/obese persons among our sample of 40 people? A. 0.50 B. 0.9570 C. 0.631 D. 0.316
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