The USA Today headline of “Seven-game series defy odds” referred to a claim that seven-game World Series contests occur more often than expected by chance. Listed below are the numbers of World Series contests (omitting two that lasted eight games) along with the proportions that would be expected with teams of equal abilities. Use a 0.05 significance level to test the claim that the observed frequencies agree with the theoretical proportions. Based on the results, does there appear to be evidence to support the claim seven-game series occur more often than expected?