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1.You have been following a stock for 4 months and the followingis its past returnYear 1: 5%Year 2: 16%Year 3: -1%Year 4: -2%What is the expected return based on historical data?2.You have been following a stock for 3 months and the followingis its past returnYear 1: 7%Year 2: 14%Year 3: 7%What is the standard deviation of the stock based on thehistorical data?3.Your investment has a 30% chance of earning a 9% rate ofreturn, a 40% chance of earning a 21% rate of return and a 30%chance of earning -3%. What is the standard deviation on thisinvestment?4.You calculated that the average return of your portfolio is 7%and the standard deviation is 23%, what is the value at risk (VaR)at 5% for your portfolio?5.The returns of a mutual fund manager for the past 3 years arethe following:Year 1: 7%Year 2: 11%Year 3: -2%What is the geometric average return of the fund for the pastthree years?