The document discusses probability and defines key terms. It explains that when tossing a coin, dice, or beads, we cannot determine the exact outcome, as the events are uncertain possibilities. The likelihood of an event occurring is called its probability. It also defines a sample space as the set of all possible outcomes of an event, with each possible outcome being a sample point.

1. PROBABILITY

2. If we toss a money, toss a dice, or taking the
beads, we can’t determine the surface of the coin
that will be appear, which spots of dice that will be
appear, and what color of beads that will we get.
In general, the events that will be come out is
uncertain and still be a possibility.
The possibility or appearance of an event is
called probability.

3. From previous explanation, we can
determine the relative frequency by using
this way :

4. 0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
10 20 30 40 50
Series 1
Series 1

5. Sample Space and
Point Sample of an
Event

6. Definition of sample space
and sample point
Sample space of an event is a set
of possible outcomes of an event
Sample point of an event is every
elements of sample space