A portfolio consists of stock Q and stock R. the portfolio is invested 52 percent in stock Q and 48 percent in stock R. given the information below answer the following questions.

Boom Exconomy:

Probablity of state of economy 10%

returns if state occurs:

Stock Q: 14%

Stock R: 16%

Normal Economy:

Probablity of state of economy 90%

returns if state occurs:

Stock Q: 8%

Stock R: 11%

1. what are the expected return and standard deviations for stock Q abd stock R.

2. what are the expected return and standard deviation for the portfolio?