Question

An investor, who believes the economy is slowing down, wishes to reduce the risk of her portfolio. she currently owns 12 securities, each with a market value of $3,000. the current beta of the portfolio is 1.21 and the beta of the riskiest security is 1.62. what will the portfolio beta be if the riskiest security is replaced with a security of equal market value but a beta of 0.80?

Answer 1

I don't know ............