The following annual returns for Stock E are projected over the next year for three possible states of the economy. What is the stock’s expected return and standard deviation of returns? E(R) = 8.5% σ = 22.70%
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Ответ:
The question is incomplete. Here is the complete question:
The following annual returns for Stock E are projected over the next year for three possible states of the economy. What is the stock’s expected return and standard deviation of returns? E(R) = 8.5% ; σ = 22.70%; mean = $7.50; standard deviation = $2.50
State Prob E(R)
Boom 10% 40%
Normal 60% 20%
Recession 30% - 25%
The expected return of the stock E(R) is 8.5%.
The standard deviation of the returns is 22.7%
Explanation:
Expected return
The expected return of the stock can be calculated by multiplying the stock's expected return E(R) in each state of economy by the probability of that state.
The expected return E(R) = (0.4 * 0.1) + (0.2 * 0.6) + (-0.25 * 0.3)
The expected return E(R) = 0.04 + 0.12 -0.075 = 0.085 or 8.5%
Standard Deviation of returns
The standard deviation is a measure of total risk. It measures the volatility of the stock's expected return. The standard deviation (SD) of a stock's return can be calculated by using the following formula:
SD = √(rA - E(R))² * (pA) + (rB - E(R))² * (pB) + ... + (rN - E(R))² * (pN)
Where,
rA, rB to rN is the return under event A, B to N.pA, pB to pN is the probability of these events to occurE(R) is the expected return of the stockHere, the events are the state of economy.
So, SD = √(0.4 - 0.085)² * (0.1) + (0.2 - 0.085)² * (0.6) + (-0.25 - 0.085)² * (0.3)
SD = 0.22699 or 22.699% rounded off to 22.70%
Ответ:
Financial aid is money to help pay for college or career school. Grants, work-study, loans, and scholarships help make college or career school affordable.
Explanation:
State governments offer grants, scholarships, work-study funds, state loans, and tuition assistance. You can learn more about the financial aid for your particular state by contacting your state's financial aid agency. The financial aid counselor at your school may also have information about state programs.