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The investor decides to diversity by investing $4,000 in Gryphon stock and $6,000 in Royal stock which has an expected return of 7.5% and a standard deviation of 10.3%. The correlation coefficient for the two stocke' retums is 0.5 Calculato the expected return and standard deviation of the portolla. Round your answers to 2 decimal places. Use the correct answers from the previous question, Enter your answers below. Er) = Number