Question: Let X(t) be a Brownian motion process with variance Var[X(t)] = t. For a constant c > 0, determine whether Y(t) = X(ct) is a

Let X(t) be a Brownian motion process with variance Var[X(t)] = αt. For a constant c > 0, determine whether Y(t) = X(ct) is a Brownian motion process.

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