Question

In: Finance

Q1/Calculate the expected return for a stock, given the following information about its returns in different...

Q1/Calculate the expected return for a stock, given the following information about its returns in different states of the economy.

State of economy Probability Stock return
Recession 0.16 -0.15
Normal 0.43 0.07
Boom -- 0.25

Enter return in percents, not in decimals.

Q2/Given the following information about the returns of stocks A, B, and C, what is the expected return of a portfolio invested 30% in stock A, 40% in stock B, and 30% in stock C?

State of economy Probability Stock A Stock B Stock C
Boom 0.19 0.37 0.26 0.35
Good 0.22 0.23 0.15 0.27
Poor 0.2 0.09 0.04 0.02
Bust -- -0.17 -0.14 -0.25

Enter answer in percents.

Q3/

Given the following information about a stock's return in the various states of the economy, calculate the standard deviation of its return.

State of economy Probability Stock return
Recession 0.16 -0.27
Normal 0.49 0.04
Boom -- 0.24

Enter answer in percents, accurate to two decimal places.

Solutions

Expert Solution

Q1. Expected Return = 10.86%

State of economy Probability Stock return Probability* Return
Recession 0.16 -0.15 -0.024
Normal 0.43 0.07 0.0301
Boom 0.41 0.25 0.1025
expected return for a stock 0.1086
expected return for a stock % 10.86

Note : For Boom Probability = 1- 0.16-0.43

-----

2. the correct answer is 4.582%

Note :

a. For Poor Probability = 1- 0.19- 0.22- 0.2

= 0.39

b.

Stock A Stock B Stock C Total
State of economy Probability Stock A Probability* Return Stock B Probability* Return Stock C Probability* Return
Boom 0.19 0.37 0.0703 0.26 0.0494 0.35 0.0665
Good 0.22 0.23 0.0506 0.15 0.033 0.27 0.0594
Poor 0.2 0.09 0.018 0.04 0.008 0.02 0.004
Bust 0.39 -0.17 -0.0663 -0.14 -0.0546 -0.25 -0.0975
7.26 3.58 3.24
Weights 30% 40% 30%
expected return 2.178 1.432 0.972 4.582

3. The correct answer is 17.02%

Note :

For Boom , Probability = 1-0.16-0.49

Probability Stock Return Expected Return ( Probability * Expected Return)
Recession 0.16 -0.27 -0.0432
Normal 0.49 0.04 0.0196
Boom 0.35 0.24 0.0840
Expected Return   0.06
Expected Return   % 6.04
Stock A Probability Probable Return Deviation ( Probable Return- Expected Return) Deviation Squared Product ( Deviation Squared* Probability)
Recession 0.16 -27.00 -33.04 1,091.64 174.66
Normal 0.49 4.00 -2.04 4.16 2.04
Boom 0.35 24.00 17.96 322.56 112.90
Variance 289.60
Standard Deviation (Square root of Variance) 17.02

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