A portfolio is composed of two securities, Stock X and Stock Z. Stock X has a standard deviation of returns of 35%, while Stock Z has a standard deviation of returns of 15%. The correlation coefficient between the returns on X and Z is .25. If Stock X comprises 40% of the portfolio, while Stock Z comprises 60% of the portfolio, what is the standard deviation of this two-risky-asset portfolio

You have recently been made a department head of the new regional office. in getting to know your departmental staff, you have noticed that one of your inexperienced employees is not following through on assigned tasks. she is enthused about her new job and wants to get ahead in the organization. which alternative represents the most effective leadership style: a. discuss the lack of follow-through with her and explore thealternative ways this problem can be solved. b. specify what she must do to complete the tasks but incorporate any suggestions she may have. c. define the steps necessary for her to complete the assigned tasks and monitor her performance frequently. d. let her know about the lack of follow-through and give hermore time to improve her performance.