By the end of the lesson the learner can describe the probability of an event on a scale from 0 to 1.
By the end of the lesson the learner can calculate the probability of a single event.
By the end of the lesson the learner can apply probability to fair games and everyday chance.
Transcript
[0:00] Probability measures how likely an event is to happen, on a scale from zero to one.
[0:45] A probability of zero means impossible, and a probability of one means certain.
[1:30] For equally likely outcomes, probability is the number of favourable outcomes over the total outcomes.
[2:15] Tossing a fair coin gives a probability of one half for heads, since one of two outcomes is favourable.
[3:00] Understanding probability helps us judge risk, play fair games, and read weather forecasts.
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