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    Hypothesis Test at 95% Confidence Level

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    An attorney claims that more than 20% of all lawyers in his city advertise. A sample of 200 lawyers in his city showed that 50 had used some form of advertising.

    RQ: Do the lawyers advertise more than 20% in the attorney's city at a 95% confidence level?

    A. Choose the Hypothesis
    B. Specify the Decision Rule
    C. Calculate the Test Statistic, P-value
    D. Make the Decision
    E. Give an interpretation of the Decision

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