Over the past few decades, public health officials have examined the link between weight concerns and teen girls' smoking. Researchers surveyed a group of 273 randomly selected teen girls living in Massachusetts (between 12 and 15 years old). After four years the girls were surveyed again. Sixty-three said they smoked to stay thin. The null hypothesis states that there is good evidence that more than thirty percent of teenage girls smoke to stay thin. The alternative hypothesis is:p< 0.30p≤ 0.30p≥ 0.30p> 0.30

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Description: Over the past few decades, public health officials have examined the link between weight concerns and teen girls' smoking. Researchers surveyed a group of 273 randomly selected teen girls living in Massachusetts (between 12 and 15 years old). After f

Solution: Given information n= 273 Sample size of teenage girls X= 63 Smoked to stay thin p = 0.30…

Answered: Over the past few decades, public…

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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Over the past few decades, public health officials have examined the link between weight concerns and teen girls' smoking. Researchers surveyed a group of 273 randomly selected teen girls living in Massachusetts (between 12 and 15 years old). After four years the girls were surveyed again. Sixty-three said they smoked to stay thin. The null hypothesis states that there is good evidence that more than thirty percent of teenage girls smoke to stay thin. The alternative hypothesis is:
p< 0.30
p≤ 0.30
p≥ 0.30
p> 0.30

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