please provide assistance with the following as well as step by step instruction

question 4

your portfolio is invested 30% each in A and C, and 40% in B what us the expected return if the portfolio? Also what is the variance of this portfolio? the standard deviation. pleas give steps and calculation

3. Returns and Variances [LOI] Consider the following information: Rate of Return If Probability of State of State of State Occurs Economy Economy Stock Stock Stock A C .15 25 75 .06 Boom Bust -.08 .11 -04 .25 a. What is the expected return on an equally weighted portfolio of these three stocks? b. What is the variance of a portfolio invested 20 percent each in A and B and 60 percent in C? 4. Returns and Standard Deviations [LOI] Consider the following infommation: Probability of Rate of Return If State Occurs State of State of Stock B Stock C Stock A Economy Economy 35 16 45 27 Boom 10 10 06 20 .08 Good .60 04 09 Fage &Your portfolio is invested 30 percent each in A and C, and 40 percent in B. 25 01 Poor 12 05 Bust What is the expected return of the portfolio? b. What is the variance of this portfolio? The standard deviation? 5. Calculating Portfolio Betas 1 041 You own a stock portfolio invested 20 perceht in Stock Q. 30 percent in Stock R. 35 percent in Stock S, and 15 percent in Stock T The betas for these four stocks are $4, 1.17, 1.0S, and 1.36 respectively What is the portfolio beta 6 Calculating Portfolio Betas LO4) You own a portfolic equally invested in a nsk-free asset and two tocks If one of the stociks has a beta cf 132 and the total portiolio i equally as rink as the markcet 1uhat must the beta be for the ethe: stock in yor pertfelio OH Stock Stock Stock A B C Boom .75 .06 .15 25 -08 a. What is the expected return on an equally weighted portfolio of these three Bust 25 -.04 .11 stocks? b. What is the variance of a portfolio invested 20 percent each in A and B and 60 percent in C? 4. Returns and Standard Deviations [LOl] Consider the following information: Probability of Rate of Return If State Occurs State of State of Stock A Stock B Stock C Economy Boom Good Economy 35 .10 45 27 .60 .16 10 .08 Poor 25 -.01 06 .04 20 Bust .05 -12 09 Page aYour portfolio is invested 30 percent each in A and C, and 40 percent in B. What is the expected return of the portfolio? b. What is the variance of this portfolio? The standard deviation? 5. Calculating Portfolio Betas [LO4] You own a stock portfolio invested 20 percent in Stock Q. 30 percent in Stock R, 35 percent in Stock S, and 15 percent in Stock T. The betas for these four stocks are $4, 1.17, 1.08, and 1.36, respectively. What is the portfolio beta? 6. Calculating Portfolio Betas L04) You own a portfolio equally invested in a risk-free asset and two stocks. If one of the stocks has a beta of 132 and the total portfolio is equally as riskv as the market what must the beta be for the other stock in your portfolio