If you want to know the portfolio standard deviation for a three stock portfolio, in addition to 3 variances, you will have to A. calculate two covariances and one trivariance B. calculate only two covariances C. calculate three covariances D. average the variances of the individual stocks

Wanda has graduated from community university (cu) and after nine months has failed to find a job. she graduated with a degree in business, and her college was aacsb accredited. (aacsb accreditation is a specialized accreditation for business schools that evidences a quality program.) in her complaint, she alleges that four years of school and tuition should guarantee a job in the field of study and states that she wants her money back. at no time did cu guarantee job placement, either through express or implied statements. wanda does not disagree with this but still thinks that she was wronged and that it is unfair to graduate and not get a job automatically. cu will be successful in extinguishing wanda's lawsuit if its attorney files a

The last time he flew jet value air, juan's plane developed a fuel leak and had to make an 4) emergency landing. the time before that, his plane was grounded because of an electrical problem. juan is sure his current trip will be fraught with problems and he will once again be delayed. this is an example of the bias a) confirmation b) availability c) selective perception d) randomness

When paul o’neill joined alcoa as ceo, he set a , that there would be zero workplace accidents. a lot of people in the organization thought this was impossible given how dangerous some aluminum-manufacturing jobs are, but alcoa’s safety record improved tremendously. as the board of governors of the american red cross considers planning, one option is to make strategic plans and then direct managers to align tactical and operational plans accordingly. another option is to have planning specialists managers across the organization make their own plans. why might this organization’s executives opt for the latter approach? check all that apply. (a) the environment is a dynamic one, and department and frontline managers can come up with more responsive plans than can central leadership. (b)resources will be better coordinated across the organization in support of the overall strategy.(c) senior leadership will have more control over the organization’s direction. (d)when managers come up with their own plans, they are likely to be more committed to following through on them.