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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. 63 said they smoked to stay thin. Is there good enough evidence that more than 30% of the teen girls smoke to stay thin? The alternative hypothesis is: O H. p < 0.30 O H. p2 0.30 O H.:p < 0.30

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. 63 said they smoked to stay thin. Is there good enough evidence that more than 30% of the teen girls smoke to stay thin? The alternative hypothesis is: O H. p < 0.30 O H. p2 0.30 O H.:p < 0.30

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 58E: Forming an Experimental Group To conduct an experiment, researchers randomly select five students...
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Question 13 Hypothesis Testing Proportions 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. 63 said they smoked to stay thin. Is there good enough evidence that more than 30% of the teen girls smoke to stay thin? The alternative hypothesis is: O H. :p < 0.30 O H. p 2 0.30 O H. p< 0.30 O H. p > 0.30
Transcribed Image Text:Question 13 Hypothesis Testing Proportions 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. 63 said they smoked to stay thin. Is there good enough evidence that more than 30% of the teen girls smoke to stay thin? The alternative hypothesis is: O H. :p < 0.30 O H. p 2 0.30 O H. p< 0.30 O H. p > 0.30
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