(10 unread) - x * Course Hero X Course Hero X Course Hero X A one.nku.edu | X ( ) HW 3.1: Conf X NKU Imath As X Sign In X + X C https://imath.nku.edu/assessment/showtest.php?action=skip&to=0 Course Forums Calendar Gradebook Log Out Home > STA 205-021 F22, 2nd 7 weeks > Assessment gary steurer HW 3.1: Confidence Interval for the Proportion Due Fri 11/04/2022 11:59 pm Show Intro/ Instructions Questions Mobile technology has changed the way consumers access information and entertainment. In 2014, it was reported that 45.6% of smartphone users between the ages of 18 and 29 regularly use their smartphone to watch movies or TV through a paid subscription service (such as Netflix or Hulu). The Pew Research Organization undertook a study to see if this percentage has changed in Q 1 (0/10) the last year. A random sample of 270 smartphone users in this age range was selected, and it was found that 139 of those sampled use their smartphone to watch movies or TV through a paid Q 2 (0/6) subscription service. Test the appropriate hypotheses using a significance level of 0.10. Q 3 (0/2) Q 4 (0/2) . Ho: Select an answer v ? v Ha: Select an answer v ? v o Q 5 [7/7] a = DQ6 (0/10) decision rule: reject Ho if probability ? v a Q7 (0/10) Test Statistic: z = (Note: round the z-score to two decimal places - carry at least four decimal places throughout all of your calculations) Q 8 (0/5) probability = (Note: round the probability to four decimal places) C Q 9 (4/8) decision: Select an answer v + Grade: 11/60 Conclusion: At the 0.10 level, there Select an answer v] significant evidence to conclude the percentage of smartphone users between the ages of 18 & 29 who regularly use their smartphones to watch movies or TV through a paid service is Select an answer v ] than 45.6%. Print Version Points possible: 10 License This is attempt 1 of 3. Submit 10:45 PM Type here to search O 58'F Clear ~ 3 0 @ (( 11/3/2022