We can show probability on a Probability Line:
Probability is always between 0 and 1.
Probability is Just a Guide
Probability does not tell us exactly what will happen, it is just a guide.Example: toss a coin 100 times, how many Heads will come up?
Probability says that heads have a ½ chance, so we can expect 50 Heads.But when we actually try it we might get 48 heads, or 55 heads ... or anything really, but in most cases it will be a number near 50.
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