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In December 2019. 57% of Australian adults had a subscription to Netix. A media analyst wants to investigate whether the subscription rate has increased significantly during the height of the COVID19lockdown period in Australia. A random sample of \"11150 people were surveyed over the period August 2020 October 2020. Each survey participant is asked whether they have a Netflix subscription or not. Let 7r be the proportion of Australian adults who have a Netix subscription. What is the null hypothesis {Hg} and what is the alternative hypothesis (HA) for this study? Select one: 0 A. Ho:1r = 0.57 versus HA :11' > 0.57 O B. How = 0,57verSUSHA :71' 0.5 o D. Hour = 0_57 versus HA : 1r 79 0.57