Solved: In Exercises 1 4, (a) identify the expected distribution and state H0 and Ha
Chapter 10, Problem 4(choose chapter or problem)
In Exercises 1 4, (a) identify the expected distribution and state H0 and Ha, (b) find the critical value and identify the rejection region, (c) find the chi-square test statistic, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.An organization claims that thethoughts of adults ages 55 and overon which industry has the mosttrustworthy advertising is uniformlydistributed. To test this claim, yourandomly select 800 adults ages 55 andover and ask each which industry hasthe most trustworthy advertising. Thetable shows the results. At a = 0.05,test the organizations claim. (Adaptedfrom Harris Interactive) Response Frequency, fAuto companies 128Fast foodcompanies 192Financial servicescompanies 112Pharmaceuticalcompanies 152Soft drinkcompanies 216
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