A sample of 20 people is selected randomly without replacement from a population of 78 sufferers of Parkinson's disease. We know there are 8 people whose symptoms related to language production have lessened after vocal and facial modeling therapy using a computerized feedback mechanism. What is the probability that, in this sample of 20, more than 2 benefitted from this therapy??
A sample of 20 people is selected randomly without replacement from a population of 78 sufferers of Parkinson's disease. We know there are 8 people whose symptoms related to language production have lessened after vocal and facial modeling therapy using a computerized feedback mechanism. What is the probability that, in this sample of 20, more than 2 benefitted from this therapy??
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 sample of 20 people is selected randomly without replacement from a population of 78 sufferers of Parkinson's disease. We know there are 8 people whose symptoms related to language production have lessened after vocal and facial modeling therapy using a computerized feedback mechanism. What is the probability that, in this sample of 20, more than 2 benefitted from this therapy??
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