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Ksenya-84 [330]
3 years ago
13

An investment earned the following returns over a four-year period: 28 percent, 21 percent, 1 percent, and -36 percent. What is

the variance of the returns on this investment?A) 0.0618B) 0.0824C) 0.1400D) 0.1739E) 0.2473
Business
1 answer:
riadik2000 [5.3K]3 years ago
4 0

Answer:

A) 0.0618

Explanation:

Variance is given by:

V = \frac{\sum(Xi - \mu)^2}{n}

Where 'Xi' is the value for each term 'i' in the sample of size 'n' and μ is the sample mean.

The mean investment return is:

\mu = \frac{0.28+0.21+0.01-0.36}{4} \\\mu = 0.035

The variance is:

V = \frac{\sum(Xi - \mu)^2}{n}\\V = \frac{(0.28- 0.035)^2+(0.21- 0.035)^2+(0.01- 0.035)^2+(-0.36- 0.035)^2}{4}\\V= 0.0618

The variance of the returns on this investment is A) 0.0618.

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Answer:

D) productive efficiency and allocative efficiency but not necessarily equity.

Explanation:

Countries that have a market economy are capitalistic countries and those that favor command economies (centrally planned) are called socialist countries. No country is totally capitalistic (since governments, taxes, regulations, etc., exist), and no country is totally socialist either. But countries are classified depending on which economic system they favor.

Canada favors free markets, and by doing so, it allows market forces to allocate resources. Consumers are free to decide what to buy and at what price, and producers are free to decide what to sell and at what price. Since private actors are free to decide how to allocate resources, they are allocated more efficiently.

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Answer:

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*Data obtained from federal government sources.

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Posting is the process of transferring items entered in a general journal to the: 1. worksheet. 2. trial balance. 3. general led
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\left[\begin{array}{ccccc}$WIND-UP&$Return&$Probability&$Weight\\$Light&325000&0.1&32500\\$Morerate&190000&0.3&57000\\$Heavy&170000&0.6&102000\\$Total&&1&191500\\\end{array}\right]

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\left[\begin{array}{cccc}$Electrical&Return&Probability&Weight\\$Light&-600000&0.1&-60000\\$Morerate&240000&0.3&72000\\$Heavy&800000&0.6&480000\\$Total&&1&492000\\\end{array}\right]

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