How do I calculate the expected return and standard deviation of the problem below using a TI-84 graphing calculator?

xpected return and standard deviatio Use the following information to answer the questions. Return on Asset A in Return on Asset B in State Return on Asset C in State State of Economy Boom Normal Recession Probability of State State 0.38 0.49 0.13 0.04 004 0.04 0.24 0 09 0.04 0.26 0.19 0.22 a. Whal is the expected return of each asset? b. What is the variance of each asset? c. Wha is the standard deviation of each assel? a. What is the expected return of asset A? Round to four decimal places)