Consider the following information for three stocks, a, b, and c. the stocks' returns are positively but not perfectly positively correlated with one another, i. e., the correlations are all between 0 and 1.expected standardstock return deviation betaa 10% 20% 1.0b 10% 10% 1.0c 12% 12% 1.4portfolio ab has half of its funds invested in stock a and half in stock b. portfolio abc has one third of its funds invested in each of the three stocks. the risk-free rate is 5%, and the market is in equilibrium, so required returns equal expected returns. which of the following statements is correct? a. portfolio ab's coefficient of variation is greater than 2.0.b. portfolio ab's required return is greater than the required return on stock a. c. portfolio abc's expected return is 10.7%.d. portfolio abc has a standard deviation of 20%.e. portfolio ab has a standard deviation of 20%.

50 points mark brainliest 1) the information in the interactive presentation suggests that people a) utilize the perception of others rather that out own perception b) learn more about the positive aspects of perception c) should monitor how perceptual barriers influence our relationship d) spend more times on our personal relationships rather than our professional relationships 2) you are about to take the dog out for a walk but pause to watch the news because you hear the name of your town being mentioned hearing your town being mentioned on the news is an example of a) stimulation b) interaction c) organization d) interpretation- evaluation 3) tamara thinks ivan is upset with her because hes been unusually quiet today to better interpret the situation and communicate appropriately tamara should a) ask ivan why hes quiet and explain that hes being inconsiderate b) leave ivan alone because hes obviously going through something c) ask her guidance counselor for tips on providing therapy to a friend d) examine her own perception and then check in with ivan about his behavior 4) of the following abilities which is the most important to the perceptual checking process a) critical thinking ability b) creative ability c) memorizing ability d) organizational ability

Which of the following is not a characteristic of enterprise applications that cause challenges in implementation? a. they introduce "switching costs," making the firm dependent on the vendor. b. they cause integration difficulties as every vendor uses different data and processes. c. they are complex and time consuming to implement. d. they support "best practices" for each business process and function. e. they require sweeping changes to business processes to work with the software.

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?