3. Researchers conducted a study of smartphone use among adults. A cell phone company claimed that iPhone smartphones are more popular with males than females. The results of the survey indicate that of the 232 female cell phone owners randomly sampled, 5% have an iPhone. Of the 1,343 male cell phone owners randomly sampled, 10% own an iPhone. Test at the 5% level of significance. Is the proportion of male iPhone owners greater than the proportion of female iPhone owners?|| Make sure you clearly state your null and alternative hypothesis. • Specify the p-value and make a rough sketch of the p-value plot (or a screenshot) Clearly state your conclusion.

3. Researchers conducted a study of smartphone use among adults. A cell phone company claimed that iPhone smartphones are more popular with males than females. The results of the survey indicate that of the 232 female cell phone owners randomly sampled, 5% have an iPhone. Of the 1,343 male cell phone owners randomly sampled, 10% own an iPhone. Test at the 5% level of significance. Is the proportion of male iPhone owners greater than the proportion of female iPhone owners?|| Make sure you clearly state your null and alternative hypothesis. • Specify the p-value and make a rough sketch of the p-value plot (or a screenshot) Clearly state your conclusion.

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Description: 3.Researchers conducted a study of smartphone use among adults. A cell phone company claimedthat iPhone smartphones are more popular with males than females. The results of the surveyindicate that of the 232 female cell phone owners randomly sampled

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 27PPS

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