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of repeatedly flipping a coin, where the probability of obtaining a head is taken to be and its value is one, while the value of a tail is zero. In other words, a Bernoulli process is a sequence of iid Bernoulli random variables, where each idealised coin flip is an example of a Bernoulli trial.

Random walk

Random walks are stochastic processes that are usually defined as sums of iid random variables or random vectors

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