Consider the following information

State Probability X Z

Boom $0\mathrm{.}2515\%10\%$

Normal $0\mathrm{.}6010\%9\%$

Recession $0\mathrm{.}155\%10\%$

What is the expected return and standard deviation

for a portfolio with an investment of $$6,000$ in asset

X and $$4,000$ in asset Z$?$