A sample of 40 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer.
a. What is the experiment?
b. List one possible event.
c. Ten of the 40 executives responded yes. Based on these sample responses, what is the probability that an oil industry executive will respond yes?
d. What concept of probability does this illustrate?
e. Are each of the possible outcomes equally likely and mutually exclusive?