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A. A study conducted at George Washington University and the National Institutes of Health examined national attitudes about tranquilizers. The study revealed that the approximately 70% believe "tranquilizers don't really cure anything; they just cover up the real trouble." According to this study, what is the provability that at least 3 of the next 5 people selected at random, will be of this option?

A. A study conducted at George Washington University and the National Institutes of Health examined national attitudes about tranquilizers. The study revealed that the approximately 70% believe "tranquilizers don't really cure anything; they just cover up the real trouble." According to this study, what is the provability that at least 3 of the next 5 people selected at random, will be of this option?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A. A study conducted at George Washington University and the National Institutes of Health examined national attitudes about tranquilizers. The study revealed that the approximately 70% believe "tranquilizers don't really cure anything; they just cover up the real trouble." According to this study, what is the provability that at least 3 of the next 5 people selected at random, will be of this option? B. What is the probability of denying entry to only 2 movie goers under age 15 and below if the cinema Usher checks the IDs of 6 students from among 9 students of which 4 are not of legal age?
Transcribed Image Text:A. A study conducted at George Washington University and the National Institutes of Health examined national attitudes about tranquilizers. The study revealed that the approximately 70% believe "tranquilizers don't really cure anything; they just cover up the real trouble." According to this study, what is the provability that at least 3 of the next 5 people selected at random, will be of this option? B. What is the probability of denying entry to only 2 movie goers under age 15 and below if the cinema Usher checks the IDs of 6 students from among 9 students of which 4 are not of legal age?
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