A sample of 48 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer.
Which of the following are possible events. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.)
26 of the 48 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.)
What concept of probability does this illustrate?
Empirical
Subjective
Classical
Are each of the possible outcomes equally likely and mutually exclusive?
The outcomes are not equally likely but are mutually exclusive.
The outcomes are not equally likely and are also not mutually exclusive.
The outcomes are equally likely and are also mutually exclusive.
The outcomes are equally likely but are not mutually exclusive.
A sample of 48 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer. In this case the posible events are
26 of the 48 executives responded yes. Based on these sample responses, the probability that an oil industry executive will respond yes is = 26/48 = 0.54
The subjective probability illustrate this as the probability is a life event and the subject is to record the responses.
Response options to a survey question are mutually exclusive when only one response option can be true for a single respondent. And the probability of saying YES or NO is 0.5. Hence the outcomes are equally likely and are also mutually exclusive.
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