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4. The covariance between The Hartford Financial Services Group, Inc.'s (Ticker: HIG) returns and the market's returns is 0.000732802. The variance of the market's returns is 0.000815357. The correlation between The Hartford Financial Services Group, Inc.'s returns and Walmart, Inc.'s (Ticker: WMT) returns is 0.284645353. The Hartford Financial Services Group, Inc. has a standard deviation of returns of 4.784433 percent while Walmart, Inc. has a standard deviation of returns of 5.37143 percent. The Hartford Financial Services Group, Inc. has an average return of 2.195624 percent while Walmart, Inc. has an average return of 0.170675 percent a. Calculate and interpret The Hartford Financial Services Group, Inc.'s beta. Round your answer to two decimal places = 0.90 = 0.000732802 / 0.000815357 This is a defensive stock since its beta is less than one. It is not as risky as the overall market Hartford Financial Services Group, Inc. stock and 45 percent Walmart, Inc. stock. 4.05 percent = [0.552 0.047844332 + 0.452 0.05371434 2 0.55 0.45 b. Calculate the standard deviation of returns for a portfolio consisting of 55 percent The 0.04784433 0.0537143 0.284645353