A survey selected 83 children aged 2-12 from the village of El Abrid, Ethiopia to measure the prevalence of malnutrition. It found that the prevalence was 13% and the 95% confidence interval was 5% -21%. A few days later, as part of a nutrition screening, every child in the same age range in the population was weighed and measured. It turned out that only 7% of all the children in the population had acute malnutrition. Is this population prevalence possible, and why? This is a possible result; the confidence interval estimated that the population prevalence of malnutrition would be contained in the 5%-21% interval. This is a possible result; the confidence interval estimated that 95% of 2-12 year olds in the population will be malnourished. O This is not a possible result; the confidence interval predicted that the population prevalence would be closer to 13%. This is not a possible result; the confidence interval predicted a much higher population prevalence of malnutrition.
A survey selected 83 children aged 2-12 from the village of El Abrid, Ethiopia to measure the prevalence of malnutrition. It found that the prevalence was 13% and the 95% confidence interval was 5% -21%. A few days later, as part of a nutrition screening, every child in the same age range in the population was weighed and measured. It turned out that only 7% of all the children in the population had acute malnutrition. Is this population prevalence possible, and why? This is a possible result; the confidence interval estimated that the population prevalence of malnutrition would be contained in the 5%-21% interval. This is a possible result; the confidence interval estimated that 95% of 2-12 year olds in the population will be malnourished. O This is not a possible result; the confidence interval predicted that the population prevalence would be closer to 13%. This is not a possible result; the confidence interval predicted a much higher population prevalence of malnutrition.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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Transcribed Image Text:A survey selected 83 children aged 2-12 from the village of El Abrid, Ethiopia to measure the prevalence of
malnutrition. It found that the prevalence was 13% and the 95% confidence interval was 5% -21%. A few
days later, as part of a nutrition screening, every child in the same age range in the population was weighed
and measured. It turned out that only 7% of all the children in the population had acute malnutrition. Is this
population prevalence possible, and why?
This is a possible result; the confidence interval estimated that the population prevalence of malnutrition would
be contained in the 5% -21% interval.
This is a possible result; the confidence interval estimated that 95% of 2-12 year olds in the population will be
malnourished.
This is not a possible result; the confidence interval predicted that the population prevalence would be closer to
13%.
This is not a possible result; the confidence interval predicted a much higher population prevalence of
malnutrition.
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