Counting principles

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Across
  1. 3. a set or number of things can be ordered or arranged.
  2. 5. space/the set of all possible outcomes of a random experiment or process
  3. 6. principles/rules in mathematics that help determine the total number of ways an event can occur
  4. 7. diagram/
Down
  1. 1. a way of selecting items from a set where the order of selection does not matter.
  2. 2. single, possible result of a random experiment or process
  3. 4. /the different ways a set of items can be ordered