An opinion poll based on a small sample can be unrepresentative of the population. To see why,
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An opinion poll based on a small sample can be unrepresentative of the population. To see why, assume that 40% of the electorate favors a certain candidate. If a random sample of 7 is asked their preference, what is the probability that a majority will favor this candidate?
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To calculate the probability that a majority of a random sample of 7 people will favor a certain can...View the full answer
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Related Book For 
Finite Mathematics For Business Economics Life Sciences And Social Sciences
ISBN: 9780134862620
14th Edition
Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker
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