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Marcus Cheng
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Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.
To calculate probability, you divide the number of favorable outcomes by the total number of possible outcomes. This can be represented as P(A) = number of favorable outcomes / total number of possible outcomes.
Theoretical probability is based on mathematical calculations and assumes that all outcomes are equally likely. Experimental probability, on the other hand, is based on actual observations and can vary from the theoretical probability.
Independent events are events where the outcome of one event does not affect the outcome of the other event. Dependent events are events where the outcome of one event does affect the outcome of the other event.
Probability can be applied in many real-life situations, such as predicting the outcome of a sports game, determining the likelihood of a disease occurring, or assessing risk in financial investments. It is also used in statistics and data analysis to make informed decisions.