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    Hypothesis Testing of Internet Provides and Disc Players

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    QUIZ TWO
    DUE DAY SEVEN OF WEEK THREE

    PROBLEM TWO (Ten Points):

    PROBLEM THREE (Ten Points):

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    QUIZ TWO
    DUE DAY SEVEN OF WEEK THREE

    PROBLEM TWO (Ten Points):

    Solution. Denote the percent of time that access to HTC by and denote the percent of time that access to Mountain by . Then the appropriate hypotheses are

    The estimates of and are

    are sample sizes. We can compute that

    We use Z-test, so the test statistic is

    If is true, then follows roughly the standard normal distribution. The test stat0stic has the value

    Under 0.01 significance level, ...

    Solution Summary

    The solution addresses the following:

    There are two major internet providers in the Colorado Springs area.....

    The manufacturer of a compact disc player wanted to know whether a 10 percent reduction......

    $2.19

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