![]() It is the probability of the intersection of two or more events. The probability of event A and event B occurring. Another example: the probability that a card drawn is a 4 (p(four)=1/13). Example: the probability that a card drawn is red (p(red) = 0.5). Marginal probability: the probability of an event occurring (p(A)), it may be thought of as an unconditional probability. Understanding their differences and how to manipulate among them is key to success in understanding the foundations of statistics. Probabilities may be either marginal, joint or conditional.
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