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. If a survey participant is selected at​ random, what is the probability that he or she is satisfied or a​ junior? *Round to 3 decimal places* ( I only need part d.)

A university conducted a survey of 383 undergraduate students regarding satisfaction with student government Results of the survey are shown in the table by cla class=