Question: 8. Let M = (M,,) be a martingale with E M2 8. Let M = (Mn) be a martingale with EM} < Show thatsupn EM}

8. Let M = (Mn) be a martingale with EM} < Show

thatsupn EM} < < oz. Hint: write Mn =

8. Let M = (M,,) be a martingale with E M2

8. Let M = (Mn) be a martingale with EM} < Show thatsupn EM} < < oz. Hint: write Mn =

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