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Author Question: A researcher is wondering whether the smoking habits of young adults (18-25 years of age) in a ... (Read 150 times)

Zulu123

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on: Apr 14, 2020
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.
Introductory Statistics: Exploring the World Through Data ¦ Gould, Ryan ¦ 2nd Edition
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Marked as best answer by Zulu123 on Apr 14, 2020

Gabe

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Reply #1 on: Apr 14, 2020
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Zulu123

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Reply 2 on: Apr 14, 2020
Wow, this really help

yeungji

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Reply 3 on: Yesterday
:D TYSM

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