Concept explainers
(a)
To find:The probability that a person selected in random is not in the favour of the proposal.
(a)
Explanation of Solution
The number of people who opposed the proposal are
The probability for person not in the favour of proposal is,
Therefore, the probability that a person selected in random is not in the favour of the proposalis
(b)
To find:The probability that a person selected in random is not a student.
(b)
Explanation of Solution
The number of students are
The probability for person selected is a student is,
Therefore, the probability that a person selected is a studentis
(c)
To find:The probability that a person selected in random is a faculty member in the favour of the proposal.
(c)
Explanation of Solution
The number of faculty member who favour the proposal are
The probability for person selected is a faculty member and in the favour of proposal is,
Therefore, the probability that a person selected in random is a faculty member in the favour of the proposal is
Chapter 9 Solutions
EBK PRECALCULUS W/LIMITS
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