Match each clue to its event word

Exercise and reference answers

Clues and terms

1. Clue

   The general name for any subset of a sample space.

   Item

   Event

2. Clue

   The empty set, because no outcome of the experiment can bring it about.

   Item

   Impossible

3. Clue

   The whole sample space, because some outcome always brings it about.

   Item

   Sure event

4. Clue

   Holds exactly one sample point of the sample space.

   Item

   Simple

5. Clue

   Holds more than one sample point of the sample space.

   Item

   Compound

6. Clue

   The set S minus A, read aloud as not A.

   Item

   Complement

7. Clue

   A pair of events with empty intersection, so they never occur together.

   Item

   Disjoint

8. Clue

   Events whose union is the whole sample space, so one of them must occur.

   Item

   Exhaustive

9. Clue

   The event either A or B or both, built from two events.

   Item

   Union

Instructions

A clue is called out above the board. Tap the cell it describes and build a line of three.

Explanation