According to a Pew Research Center study, in May 2011, 35% of all American adults had a smart phone (one which the user can use

Question

According to a Pew Research Center study, in May 2011, 35% of all American adults had a
smart phone (one which the user can use to read email and surf the Internet). A
communications professor at a university believes this percentage is higher among community college students. She selects 322 community college students at random and finds that 124 of them have a smart phone. Then in testing the hypotheses:
Ho: p=0.35 versus
Ha: p > 0.35,
what is the test statistic?

Kunduz · Accepted Answer

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