Researchers at George Washington University and the National Institutes of Health claim that approximately 75% of the
Question:
Researchers at George Washington University and the National Institutes of Health claim that approximately 75% of the people believe "tranquilizers work very well to make a person more calm and relaxed." Of the next 80 people interviewed, what is the probability that
(a) At least 50 are of this opinion?
(b) At most 56 are of this opinion?
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80 34 60 and 803414 3873 ...View the full answer
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Related Book For 
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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