Comparing Two Independent Population Proportions · Exercise 24
A group of friends debated whether more people in their twenties use wearable fitness devices than people in their thirties. They consulted a research study of wearable fitness device use among adults. The results of the survey indicate that of the 973 randomly sampled people in their twenties, 379 use such devices. For people in their thirties, 404 of the 1,304 who were randomly sampled use wearable fitness devices. Test at the 5% level of significance.
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OpenStax, Introductory Business Statistics 2e · §10.4 Comparing Two Independent Population Proportions · Exercise 24
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