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    Steps on conducting hypothesis testing

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    An internet company has redesigned its website to improve the online experience of its customers. To test whether the new design has improved its customers' experience it has asked people to comment on whether they prefer the new format or not. 180 people have passed comment and of those 102 people preferred the new design

    i) Construct a suitable hypothesis test for this investigation.

    ii) Test whether you would reject the null hypothesis at the 0.05 significance level and comment on your result.

    iii) Calculate the P-value of this test.

    Please do not use excel functions - I would like to see clear workings and commentary for calculations

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    Solution Preview

    i) Construct a suitable hypothesis test for this investigation.
    Let P be the proportion of people who preferred the new design. Ho: p=0.5 vs Ha: ...

    Solution Summary

    The solution gived detailed steps on hypothesis testing. All formula and calculations are shown and explained.