A random sample of 503 students and professors were asked about their political party affiliation. The following contingency table summarizes their responses. Independent Republican Democrat Student 70 84 76 Professor 94 92 87 Suppose one participant is randomly selected from the group. Calculate the following probabilities. Round solutions to three decimal places, if necessary. P(Student and Independent) = P(Republican and Professor) = P(Democrat or Professor) = P(Democrat or Independent) = P(Republican and Independent) =