8. Which of the following is true? A. Possible outcome of tossing 3 coins is three B. All activities and procedures can be considered as an experiment C. All possible outcomes of an experiment can be considered as sample space D. Events are non-predictable 9. Which of the following refers to an operation or procedure that can infinitely be repeated and has a well-defined set of possible outcome? A. Event B. Sample space C. Outcome D. Experiment 10. Which of the following is an example of an experiment? A. talking to a friend B. reading a book C. tossing a coin and a die D. counting marbles