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2015-03-11T17:12:35+08:00

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Probability How likely something is to happen. Many events can't be predicted with total certainty. The best we can say is how likely they are to happen, using the idea of probability. Tossing a Coin When a coin is tossed, there are two possible outcomes: heads (H) or tails (T) We say that the probability of the coin landing H is ½. And the probability of the coin landing T is ½. Throwing Dice When a single die is thrown, there are six possible outcomes: 1, 2, 3, 4, 5, 6. The probability of any one of them is 1/6. Probability In general: Probability of an event happening = Number of ways it can happen Total number of outcomes Example: the chances of rolling a "4" with a die Number of ways it can happen: 1 (there is only 1 face with a "4" on it) Total number of outcomes: 6 (there are 6 faces altogether) So the probability = 1 6
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2015-03-12T18:56:45+08:00

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How to get probability is ######################################
the ratio between the no. of possibility that a certain condition will occur and the total no. of the real things that will happen##############
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no. of possibility that a condition will occur over  total no. of the real things that will happen
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