The following information applies to the questions displayed below.] A sample of
ID: 3311127 • Letter: T
Question
The following information applies to the questions displayed below.]
A sample of 56 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer.
1.
53 people respond "Yes."
51 people respond "Yes."
42 people respond "No."
62 people respond "No."
The questionnaire fails to reach one executive.
2.
Eighteen of the 56 executives responded “Yes.” Based on these sample responses, what is the probability that an oil industry executive will respond “Yes”? (Round your answer to 2 decimal places.)
3.
4.
A sample of 56 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer.
Explanation / Answer
1) Option-A, Option-B, Option-C
2) probability = 18 / 56 = 0.32
3) Option-A) empirical
4) Option-B)
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