AT&T would like to test the hypothesis that the proportion of 18- to 34-year-old Americans that...

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AT&T would like to test the hypothesis that the proportionof 18- to 34-year-old Americans that own a cell phone is less thanthe proportion of 35- to 49-year-old Americans. A random sample of200 18- to 34-year-old Americans found that 126 owned a smartphone.A random sample of 175 35- to 49-year-old Americans found that 119owned a smartphone. If Population 1 is defined as 18- to34-year-old Americans and Population 2 is defined as 35- to49-year-old Americans, and using LaTeX: alpha ? = 0.01, theconclusion for this hypothesis test would be that because the teststatistic is_______________________________________________________________.less than the critical value, AT&T can conclude that theproportion of 18- to 34-year-old Americans that own a cell phone isless than the proportion of 35- to 49-year-old Americans less thanthe critical value, AT&T cannot conclude that the proportion of18- to 34-year-old Americans that own a cell phone is less than theproportion of 35- to 49-year-old Americans more than the criticalvalue, AT&T can conclude that the proportion of 18- to34-year-old Americans that own a cell phone is less than theproportion of 35- to 49-year-old Americans more than the criticalvalue, AT&T cannot conclude that the proportion of 18- to34-year-old Americans that own a cell phone is less than theproportion of 35- to 49-year-old Americans none of these answersare correct

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4.3 Ratings (682 Votes)
Given that n1 200 x1 126 and n2 175 x2 119significance level of 001The null and the alternative    See Answer
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