Question

A university conducted a survey of 392 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. Click the icon to view the table. (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) = (Round to three decimal places as needed.) Data Table Freshman Sophomore Junior Senior Total Satisfied 58 55 70 63 246 Neutral 24 13 10 13 60 Not satisfied 19 18 19 30 86 Total 101 86 99 106 392

          A university conducted a survey of 392 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.
Click the icon to view the table.
(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) =
(Round to three decimal places as needed.)
Data Table
Freshman Sophomore Junior Senior Total
Satisfied 58 55 70 63 246
Neutral 24 13 10 13 60
Not satisfied 19 18 19 30 86
Total 101 86 99 106 392

A university conducted a survey of 392 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.
Click the icon to view the table.
(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) =
(Round to three decimal places as needed.)
Data Table
Freshman Sophomore Junior Senior Total
Satisfied 58 55 70 63 246
Neutral 24 13 10 13 60
Not satisfied 19 18 19 30 86
Total 101 86 99 106 392

Added by Sandra H.

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