Hypothesis testing

90. A campaign manager for a presidential candidate wants to know if white Catholics are equally likely to identify as a Republican, Democrat, or an Independent. A random sample of 300 white Catholics is surveyed, and their party affiliation recorded. Do the sample data provide sufficient evidence that some parties are less popular than others amongst white Catholics? Test the relevant hypotheses at a significance level of a = 0.10. Independent Republican Democrat 117 93 90