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QUESTION 7 1. Please find out expected return and variance of following investment opportunity. \begin{tabular}{ccc} \hline & Probabi lity & Rate of Return \\ & & \\ \hline strong & & \\ economy & 0.25 & 25% \\ Weak & & \\ economy & 0.25 & 5% \\ Normal & & \\ economy & 0.5 & 10% \end{tabular}