Wednesday, June 13, 2012

Some Definitions for Probability (Part 1)

Probability- Likelihood or chance of an event occuring
We determine probability by making a fraction
favourable outcomes (over) possible outcomes
eg. heads (over) heads or tails
Probability can be expressed (said or written) using fractions, ratios, or percents
1(over)2, 1:2 or 50%
Outcome- One possible result of a probability experiment
Favourable Outcome- a successful result in a probability experiment
p(outcome) is short for saying probability of something happening
eg. p(5) when rolling a die

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