Use the martingale convergence theorem to prove that, if (Mn, n ≥ 0) is a martingale that is bounded between a and b, meaning P{a ≤ Mn ≤ b} = 1 for all n, then P{(Mn, n ≥ 1) converges to a limit as n → ∞} = 1, and E[M∞] = E[M0], where M∞ denotes the limit.

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Use the martingale convergence theorem to prove that, if (Mn, n ≥ 0) is a martingale that is bounded between a and b, meaning P{a ≤ Mn ≤ b} = 1 for all n, then P{(Mn, n ≥ 1) converges to a limit as n → ∞} = 1, and E[M∞] = E[M0], where M∞ denotes the limit.

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