Question 29 According to a Pew Research Center study, in May 2011, 30% of all American...
According to a Pew Research Center study, in May 2011, 30% 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 422 community college students at random and finds that 140 of them have a smart phone. Then in testing the hypotheses: H 0 : p = 0.3 versus H a :...
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...
According to a Pew Research Center study, in May 2011, 32% 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 the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 344 community college students at random and finds that 132 of them have a smart phone. Then in testing the hypotheses:...
According to a Pew Research Center study, in May 2011, 33% of all American Type nun 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 360 community college student at random and finds that 149 of them have a smart phone. Then in testing the hypotheses: Ho: p = 0.33 versus Hp...
According to a Pew Research Center study, in May 2011, 44% 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 344 community college students at random and finds that 159 of them have a smart phone. Then in testing the hypotheses: H: P =...
According to a Pew Research Center study, in May 2011, 39% 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 475 community college students at random and finds that 216 of them have a smart phone. Then in testing the hypotheses: H:p=0.39 versus H,:>...
According to a Pew Research Center study, in May 2011, 30% 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 441 community college students at random and finds that 140 of them have a smart phone. Then in testing the hypotheses: H0: p = 0.3 versus Ha: p > 0.3, what...
According to a Pew Research Center study, in May 2011, 30% 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 280 community college students at random and finds that 90 of them have a smart phone. Then in testing the hypotheses: H0: p = 0.3 versus Ha: p > 0.3, what...
Question 9 According to a Pew Research Center study, in May 2011, 34% of all American of all American Type numbers in the boxes. Type 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...
According to a Pew Research Center study, in May 2011, 32% of all American 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 351 community college students at random and finds that 130 of them have a smart phone. In testing the hypotheses: H:p = 0.32 versus H:p> 0.32, she calculates the...