A sample of 43 oil industry executives was selected to test a questionnaire. One

Question

A sample of 43 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer. b. 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.) 37 people respond "Yes.: 29 people respond "Yes." 2 28 people respond "No." respond "No." 250 people The questionnaire fails to reach one executive.

Explanation / Answer

Out of 43 oil industry executives, the possible events are:

b) 37 people respond Yes, 29 people respond Yes, 28 people respond No.

c) Probability an oil industry executive will respond Yes:

31/43=0.72(approx).

d) Classical concept of probability is illustrated.

e) The outcomes are equally likely but not mutually exclusive.

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