Doescribe an incidence when a leader had a strong vision but failed to implement it. What could the leader have done to better implement their vision? Also, why is it important that the level of challenge included in a vision be neither too much nor too little? What specific steps could the leader take to ensure the level of challenge is appropriate to their audience?​

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.