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Mathematics, 30.11.2019 00:31 srickie85
5.17 online communication. a study suggests that 60% of college student spend 10 or more hours per week communicating with others online. you believe that this is incorrect and decide to collect your own sample for a hypothesis test. you randomly sample 160 students from your dorm and find that 70% spent 10 or more hours a week communicating with others online. a friend of yours, who offers to you with the hypothesis test, comes up with the following set of hypotheses. indicate any errors you see. h0 : ˆp < 0.6 ha : ˆp > 0.7
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