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    The Difference Between the Obama and McCain Voting Percentage

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    In a new poll where people were asked on whether or not they will vote for a presidential candidate: 1600 people were picked randomly from a population that amounts to about 80 million eligible voters.
    The results were as follow:

    N Obama Mccain Undecided
    1600 900 600 100

    Estimate the difference between the Obama and McCain voting percentage.

    © BrainMass Inc. brainmass.com June 3, 2020, 9:32 pm ad1c9bdddf
    https://brainmass.com/statistics/confidence-interval/the-difference-between-the-obama-and-mccain-voting-percentage-186800

    Solution Preview

    Proportion
    Obama 0.5625
    Mccain 0.375
    Difference ...

    Solution Summary

    This solution calculates the difference between the Obama and McCain voting percentage based on a pool of 1600 voters.

    $2.19

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