For both U.S. Water (blue curve) and Martin Products (red curve) the expected return is 10%. However, the spread of possible outcomes for U.S. Water is "tighter" (i.e., closer to the expected return of 10%) than the spread for Martin Products. The depicted distributions are both normal distributions, but with different standard deviations. Use the slider at the bottom to change the standard deviation for the distribution of outcomes for Martin Products. Drag the vertical dashed line on the graph to the left or right to observe the probability of exceeding a particular rate of return. P(Water > 0.0) = 1.00 P(Martin > 0.0) = 0.84 -20 -15 -10 -5 5 10 15 20 25 30 35 40 Martin Products Standard Deviation: sd = 10 %3D 4 8 10 2.
For both U.S. Water (blue curve) and Martin Products (red curve) the expected return is 10%. However, the spread of possible outcomes for U.S. Water is "tighter" (i.e., closer to the expected return of 10%) than the spread for Martin Products. The depicted distributions are both normal distributions, but with different standard deviations. Use the slider at the bottom to change the standard deviation for the distribution of outcomes for Martin Products. Drag the vertical dashed line on the graph to the left or right to observe the probability of exceeding a particular rate of return. P(Water > 0.0) = 1.00 P(Martin > 0.0) = 0.84 -20 -15 -10 -5 5 10 15 20 25 30 35 40 Martin Products Standard Deviation: sd = 10 %3D 4 8 10 2.
Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
Problem 1PS
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Question
Using the graph, answer the following standard deviation questions:
1. As the standard deviation for Martin Products' distribution increases, the distribution for Martin Products:
- becomes steeper and more like the distribution for U.S. Water
- does not change
- becomes flatter and less like the distribution for U.S. Water
- might either become steeper or flatter
2. Use the slider to set the standard deviation for Martin Products to be 6.0. The probability of having a
- is greater for U.S. Water than for Martin Products
- is the same for both U.S. Water and the Martin Products distribution
- is greater for Martin Products than U.S. Water
- cannot be determined
3. Use the slider to set the standard deviation for the Martin Products distribution to 8.0. The probability of having a rate of return of at least 10% (move the vertical line to 10.0)
- is greater for U.S. Water than for Martin Products
- is the same for both U.S. Water and the Martin Products distribution
- is greater for Martin Products than U.S. Water
- cannot be determined
4. Suppose the standard deviation for the Martin Products Distribution is 4.0. If an investor is hoping for a return of at least 13%, the chances that investing in Martin Products will return at least 13%
- are much less than in investing in U.S. Water
- are the same as investing in U.S. Water
- are greater than in investing in U.S. Water
- cannot be determined
5. As the standard deviation of outcomes for Martin Products increases, investing in Martin Products becomes riskier because
- the range of outcomes having some probability becomes wider
- an outcome at or near the expected return of 10% becomes less likely
- although the chances of some big gains increase, the chances for some big losses also increase.
- all of the above reasons
- none of the above reasons
Transcribed Image Text:For both U.S. Water (blue curve) and Martin Products (red curve) the expected return is 10%. However, the spread of possible outcomes for
U.S. Water is "tighter" (i.e., closer to the expected return of 10%) than the spread for Martin Products. The depicted distributions are both
normal distributions, but with different standard deviations. Use the slider at the bottom to change the standard deviation for the distribution
of outcomes for Martin Products. Drag the vertical dashed line on the graph to the left or right to observe the probability of exceeding a
particular rate of return.
P(Water > 0.0) = 1.00
P(Martin > 0.0) = 0.84
-20
-15
-10
-5
5
10
15
20
25
30
35
40
Martin Products Standard Deviation:
sd = 10
%3D
4
8
10
2.
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