According to a pew research center study, in may 2011, 40% 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 341 community college students at random and finds that 147 of them have a smart phone. then in testing the hypotheses: h0: p = 0.4 versusha: p > 0.4,what is the test statistic? z = ( round your answer to two decimal places.)