Inc. Technology (Mar. 18, 1997) reported the results of an Equifax/Harris Consumer Privacy Survey in which 328 Internet users indicated their level of agreement with the following statement: "The government needs to be able to scan Internet messages and user communications to prevent fraud and other crimes." The number of users in each response category is summarized as follows:

a. Specify the null and alternative hypotheses you would use to determine whether the opinions of Internet users are evenly divided among the four categories.
b. Conduct the test of part a , using a = .05.
c. In the context of this exercise, what is a Type I error? A Type II error?
d. What assumptions must hold in order to ensure the validity of the test you conducted in part b?

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Disagree Strongly Somewhat Somewhat Strongly Agree Agree Disagree 59 108 82 79