According to a Pew Research Center study, in May 2011, 34% 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 283 community college students at random and finds that 105 of them have a smart phone. Then in testing the hypotheses: H
0
: p = 0.34 versus

H
a
: p > 0.34,

what is the test statistic?