6-10 answers pls

6) It is argued that if we add international securities to the efficiency frontier: A) It may shift it down B) It will stay the same C) It will shift it up D) None of the above 7) Stock splits demonstrate the markets are: A) semi-strong efficient B) weak form efficient C) strong form efficient D) none of the above 8) According to behavioral finance: A) psychology comes into play B) the markets are weak for efficient C) The markets are strong form efficient D) none o the above 9) If the beta is equal to 2.4, and the t-statistic is 1.1 A) beta coefficient is significant B) beta coefficient is insignificant C) beta coefficient is borderline efficient D) None of the above 10) If the adjusted r squared in the CAPM is .50 A)the model does not explain a lot B) the model explains a lot of the variation C) the adjusted r squared has nothing to do with the CAPM D) none of the above