Suppose dallas inc has a beta of op and its standard deviation of creturn is 20%. The risk free rate is ar and market expected return is goro what is the expected retien of dallas any? You are asked as a Security analyst o investigate the beta of DBt. Using historical data, you find that the Correlation between IBM and the Market is 0.4. The Standand deviation is at 289 and the standard deviction of the market is of 2070 what is the beta of Bre