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A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a ...

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A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a ...

A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a certain city in the U.S. are the same as the proportion of the general population of young adults in the U.S. A recent study stated that the proportion of young adults who reported smoking at least twice a week or more in the last month was 0.16. The researcher collected data from a random sample of 75 adults in the city of interest.

Check that the conditions hold so that the sampling distribution of the z-statistic will approximately follow the standard normal distribution. Are the conditions satisfied? If not, choose the condition that is not satisfied.

▸ No, the population of interest is not large enough to assume independence.

▸ Yes, all the conditions are satisfied.

▸ No, the researcher did not collect a large enough sample.

▸ No, the researcher did not collect a random sample.

Textbook

Introductory Statistics: Exploring the World Through Data

Edition: 2^nd

Authors: Gould, Ryan

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More solutions for this book are available here

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lizsmith Author

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I appreciate what you did here, answered it right Smiling Face with Open Mouth

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Thanks for your help!!

big_larry_samp

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Thank you, thank you, thank you!

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