A university conducted a survey of 383 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Freshman Sophomore Junior Senior Total Satisfied 60 46 67 60 233 Neutral 28 19 10 15 72 Not satisfied 16 21 19 22 78 Total 104 86 96 97 383 (a) If a survey participant is selected at random, what is the probability that he or she is satisfied with student government? P(satisfied)= (Round to three decimal places as needed.) (b) If a survey participant is selected at random, what is the probability that he or she is a junior? P(junior) = (Round to three decimal places as needed.) (c) If a survey participant is selected at random, what is the probability that he or she is satisfied and a junior? P(satisfied and junior) = (Round to three decimal places as needed.) (d) If a survey participant is selected at random, what is the probability that he or she is satisfied or a junior? P(satisfied or junior) =