A university conducted a survey of 274 sophomore, junior, and senior undergradua
ID: 3259930 • Letter: A
Question
A university conducted a survey of 274 sophomore, junior, and senior undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank.
Sophomore
Junior
Senior
Total
Satisfied
47
68
61
176
Neutral
17
16
10
43
Not satisfied
16
14
255
55
Total
80
98
96
274
A survey participant is selected at random. What is the probability that he or she is a sophomore AND satisfied?
In other words, find P(person is a sophomore AND satisfied).
Answer: The probability that a student is a sophomore and is satisfied is ___ .
(Round to three decimal places as needed.)
Sophomore
Junior
Senior
Total
Satisfied
47
68
61
176
Neutral
17
16
10
43
Not satisfied
16
14
255
55
Total
80
98
96
274
Explanation / Answer
P(person is a sophomore AND satisfied) = (47/274) = 0.172 (ans)
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