please solve

6. Using the probability distribution shown below, calculate Stock XYZs expected return, E(r), and standard deviation c (r). Use Excel, formula and calculator. State of the Economy Recession Steady Boom Probability of Return in Economic State Economic State 50% 32% 15% 35% --25% 15% E(r) Probability of Economic State * Return in Economic State c (r[Return in State - E(r)] * Probability of States ar) - VG