Historical comparisons will reveal whether a company's performance is improving or deteriorating

Although groupthink occurs only in cohesive groups, many cohesive groups never succumb to this faulty mode of decision making

Indicate whether the statement is true or false

A portfolio has 45% of its value in IBM shares and the rest in Microsoft (MSFT). The volatility of IBM and MSFT are 33% and 35%, respectively, and the correlation between IBM and MSFT is 0. What is the standard deviation of the portfolio?

A) 19.45% B) 27.96% C) 34.04% D) 24.31%