Question
In: Statistics and Probability
The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior...
The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior executives and middle managers range from a low of 1 (very dissatisfied) to a high of 5 (very satisfied).
| Job Satisfaction Score |
Probability | |
|---|---|---|
| IS Senior Executives |
IS Middle Managers |
|
| 1 | 0.05 | 0.04 |
| 2 | 0.09 | 0.10 |
| 3 | 0.03 | 0.13 |
| 4 | 0.44 | 0.47 |
| 5 | 0.39 | 0.26 |
(a) What is the expected value of the job satisfaction score for senior executives?
(b) What is the expected value of the job satisfaction score for middle managers?
(c) Compute the variance of job satisfaction scores for executives and middle managers.
executives
middle managers
(d)
Compute the standard deviation of job satisfaction scores for both probability distributions. (Round your answers to two decimal places.)
executives
middle managers
Solutions
orchestra answered 1 year agoRelated Solutions
The following probability distributions of job satisfaction scores for a sample of information systems (IS) senior...
The following probability distributions of job satisfaction
scores for a sample of information systems (IS) senior executives
and middle managers range from a low of 1 (very dissatisfied) to a
high of 5 (very satisfied).
Job
Satisfaction
Score
Probability
IS Senior
Executives
IS Middle
Managers
1
0.05
0.04
2
0.09
0.10
3
0.04
0.12
4
0.42
0.46
5
0.40
0.28
(a)
What is the expected value of the job satisfaction score for
senior executives?
(b)
What is the expected value...
The percent frequency distributions of job satisfaction scores for a sample of information systems (IS) senior...
The percent frequency distributions of job satisfaction scores
for a sample of information systems (IS) senior executives and
middle managers are as follows. The scores range from a low of 1
(very dissatisfied) to a high of 5 (very satisfied).
Job Satisfaction
Score
IS Senior Executives
(%)
IS Middle Managers
(%)
1
5
4
2
9
10
3
27
13
4
42
46
5
17
27
If required, round your answers to two decimal places.
(a)
Develop a probability distribution...
A sample of 65 video game satisfaction ratings are given in the following table: Composite Scores...
A sample of 65 video game satisfaction ratings are given in the
following table:
Composite Scores for the Video Game Satisfaction
Rating Case
43
43
40
39
40
37
41
41
41
40
39
41
40
39
41
43
43
42
40
42
42
44
43
39
43
36
41
41
46
39
41
44
46
37
40
41
45
37
42
40
45
38
41
42
45
40
42
40
43
42
43
43
42
43
42
42
42...
A recent study of a random sample of employees evaluated whether satisfaction is related to job...
A recent study of a
random sample of employees evaluated whether satisfaction is
related to job performance. 250 employees who have been employed
greater than 10 years, and 250 employees who have been employed
less than 10 years were included in the study. The number of
employees who still worked for the company after this study were
236 and 226, respectively. Assume that the two groups are
independent, and that satisfaction rates follow a normal
distribution in the population. Use...
Consider the following probability distributions for stocks A and B: State Probability Return on A Return...
Consider the following probability distributions for stocks A
and B:
State
Probability
Return on A
Return on B
1
.3
7%
-9%
2
.5
11%
14%
3
.2
-16%
26%
What is the standard deviation of returns for stock A? Please
give your answer in percent rounded to the nearest basis point.
What is the standard deviation of returns for stock B? Please
give your answer in percent rounded to the nearest basis point.
Consider the following probability distributions for stocks A and B: State Probability Return on A Return...
Consider the following probability distributions for stocks A
and B:
State
Probability
Return on A
Return on B
1
.3
7%
-9%
2
.5
11%
14%
3
.2
-16%
26%
a) What is the standard deviation of returns for stock A? Please
give your answer in percent rounded to the nearest basis point.
b) What is the standard deviation of returns for stock B? Please
give your answer in percent rounded to the nearest basis point.
Consider the following probability distributions for stocks A and B: State Probability Return on A Return...
Consider the following probability distributions for stocks A
and B:
State
Probability
Return on A
Return on B
1
.3
7%
-9%
2
.5
11%
14%
3
.2
-16%
26%
A. What is the correlation between stocks A and B? Please give
your answer in decimal form rounded to the third decimal place.
B. What is the standard deviation of returns for stock A? Please
give your answer in percent rounded to the nearest basis point.
C. What is the...
The market and stock A have the following probability distributions: Probability Rm Ra .3...
The market and stock A have the following probability
distributions:
Probability
Rm
Ra
.3
15%
20%
.4
9%
5%
.3
18%
12%
Q1. Calculate the expected rates of return for the market and
stock A.
Q2. Calculate the standard deviation for the market and stock
A.
Q3. Calculate the coefficient of variation for the market and
stock a.
The market and Stock A have the following probability distributions: Probability Return on Market Return on...
The market and Stock A have the following probability
distributions:
Probability
Return on Market
Return on Stock A
0.15
15%
18%
0.3
12%
15%
0.55
10%
11%
a. Calculate the expected rates of return for the market and
Stock A.
b. Calculate the standard deviations for the market and Stock
A.
c. Calculate the coefficient of variation for the market and
Stock A.
Stocks A and B have the following probability distributions of expected future returns: Probability A B...
Stocks A and B have the following probability distributions of
expected future returns:
Probability
A
B
0.2
(7%)
(37%)
0.2
4
0
0.2
13
19
0.3
18
27
0.1
38
48
Calculate the expected rate of return, , for Stock B ( =
11.20%.) Do not round intermediate calculations. Round your answer
to two decimal places.
%
Calculate the standard deviation of expected returns,
σA, for Stock A (σB = 26.62%.) Do not round
intermediate calculations. Round your answer to...
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