Use this information for question 3, 4 and 5 : A stock had the following annual returns over the last 5 years: What is the average annual return an investor would have earned if they held the stock over the last 5 years? \begin{tabular}{|c|} \hline 10.11% \\ \hline 13.48% \\ \hline 10.80% \\ \hline 11.10% \end{tabular} Use this information for question 3,4 and 5 : A stock had the following annual returns over the last 5 years: What is the standard deviation of the average annual return for the stock over the last 5 years? 13.48% 10.80% 11.10% 10.11% A stock has a 50% probability that it will have a return of 10% over the next year, a 25% probability that it will have a return of 20% over the next year, and 25% probability that it will have a return of 20% over the next year. What is the standard deviation of the expected return for this stock over the next year? \begin{tabular}{|c|} \hline 22.5% \\ \hline 29.7% \\ \hline 15.0% \\ \hline 2.3% \end{tabular}