Researchers are concerned about the rise in drinking behaviors among adolescents aged 13- 17 in a particular community. Suppose the research team estimates the prevalence of such behaviors is 17%. A sample of 12 adolescents in this age range is collected. a. Assume 4 of the adolescents reports regular drinking behaviors. What is the probability associated with this finding? b. Assume at least 3 respondents reported regular drinking behaviors. What is the probability associated with this finding?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Answer part a and b
1. Researchers are concerned about the rise in drinking behaviors among adolescents aged 13-
17 in a particular community. Suppose the research team estimates the prevalence of such
behaviors is 17%. A sample of 12 adolescents in this age range is collected.
Assume 4 of the adolescents reports regular drinking behaviors. What is the
probability associated with this finding?
b. Assume at least 3 respondents reported regular drinking behaviors. What is the
probability associated with this finding?
a.
Transcribed Image Text:1. Researchers are concerned about the rise in drinking behaviors among adolescents aged 13- 17 in a particular community. Suppose the research team estimates the prevalence of such behaviors is 17%. A sample of 12 adolescents in this age range is collected. Assume 4 of the adolescents reports regular drinking behaviors. What is the probability associated with this finding? b. Assume at least 3 respondents reported regular drinking behaviors. What is the probability associated with this finding? a.
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