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Author Question: A researcher is wondering whether the drinking habits of adults in a certain region of the country ... (Read 107 times)

iveyjurea

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on: Apr 14, 2020
A researcher is wondering whether the drinking habits of adults in a certain region of the country are in the same proportion as the general population of adults. Suppose a recent study stated that the proportion of adults who reported drinking once a week or less in the last month was 0.26. The researcher's null hypothesis for this test is H0: p = 0.26 and the alternative hypothesis is The researcher collected data from a random sample of 75 adults in the region 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 iveyjurea on Apr 14, 2020

emsimon14

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Reply #1 on: Apr 14, 2020
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iveyjurea

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

raenoj

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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