8.7 For recent GSS data, the cumulative logit model (8.5) with Y = political ideology (very liberal, slightly liberal, moderate, slightly conservative, very conservative) and x = party affiliation (1 for the 428 Democrats and ( for the 407 Republicans) has B = 0.975 (SE =0.129) and a, = -2.469. Interpret B. Find the estimated probability of a very liberal response for each group