Question

Question 8 According to a Pew Research Center study, in May 2011, 31% of all American Type numbers in the boxes adults had a smart phone (one which the user can use to read email and surf 10 points the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 365 community college students at random and finds that 115 of them have a smart phone. Then in testing the hypotheses: H:p=0.31 versus H:p > 0.31, what is the test statistic? . (Please round your answer to two decimal places.) Question 9 According to a Pew Research Center study, in May 2011, 34% of all American Type numbers in the boxes adults had a smart phone (one which the user can use to read email and surf 10 points the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 339 community college students at random and finds that 136 of them have a smart phone. In testing the hypotheses: Ho: p = 0.34 versus Hp > 0.34, she calculates the test statistic as z = 2.3779. Then the p-value = (Please round your answer to four decimal places.)

Answer 1

६ P0.3) ५>35 2 =টি TIS १ ০.3/5 ড M, : १ =0.3 / : १ >০-3| १ 0315-0.3 १९s statistic वसns) 35 ০-26 6S 7-0.२। १ 3५'- १= 03 ५ +: ?>0.3५ १ = [3( |१- 33१ १-+ Test Statistt ५.37 ी и १-Na(e P[Z73S+79) -१(४८३३१7-) =।- ০৭৭3 ८ 00০৪7 P-Value .008 7