Changing risk level. Mr. Malone wants to change the overall risk of his portfolio. ​ Currently, his portfolio is a combination of risky assets with a beta of 1.25 and an expected return of 14​%. He will add a​ risk-free asset​ (U. S. Treasury​ bill) to his portfolio. If he wants a beta of 1.00​, what percentage of his wealth should be in the risky portfolio and what percentage should be in the​ risk-free asset? If he wants a beta of 0.75​? If he wants a beta of 0.50​? If he wants a beta of 0.25​? Is there a pattern​ here?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.