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A security analyst has regressed the monthly returns on Exxon Mobil equity shares over the past five years against those on the Standard & Poor's 500 stock index over the same period. The resulting regression equation is rem= 0.08 +0.80rsp. Use this equation and any other information you deem appropriate to estimate Exxon Mobil's equity beta. (Round your answer to 2 decimal places.) Estimated Exxon Mobil's equity beta