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According to a Pew Research Center study, in May 2011, 33% of all American adults...

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Basic Math

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According to a Pew Research Center study, in May 2011, 33% of all American adults had asmart phone (one which the user can use to read email and surf the Internet). Acommunications professor at a university believes this percentage is higher among community college students. She selects 349 community college students at random and finds that 138 of them have a smart phone. In testing the hypotheses:Ho: p = 0.33 versusHa: p > 0.33,she calculates the test statistic as z = 2.5990.Then the p-value =(Please round your answer to four decimal places.)

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