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a 2012 survey of 2254 american adults indicate that 17% of cell phone owners do their...

a 2012 survey of 2254 american adults indicate that 17% of cell phone owners do their browsing on their phone rather than a computer or other device. according to an online article, a report from a mobile research company indicates that 38% of chinese mobile web users only acess the internet through their phones. conduct a hypothesis test to determine if these data provide strong evidence that the proportion of americans who only use their phones to access the internet is different than the chinese proportion of 38%. a) write the hypothesis in symbol (b) do we use the z test or t test? (c) find and interpret the p-value in the context (d) at the significance level of alpha = 0.05, what is the conclusion? please help
math   Statistics-And-Probability   
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