linear combinations and probability

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wnzrf221

Mathematics

Description

set of questions of linear combinations and probability. must follow instructions as described and must get all answers right otherwise i will not pass the test and i will have to do the same test again with different set of numbers. please must get all answers right. please let me know if you have any questions.

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Q:1 Returns on stocks X and Y are listed below: Period Stock X Stock Y 1 2 3 4 5 8% 5% 0% -2% 3% 4% -2% 7% 5% 1% What is the correlation of returns on the two stocks? Please round your answer to the nearest hundredth. Note that the correct answer will be evaluated based on the full-precision resul Q:2 Returns on stocks X and Y are listed below: Period Stock X Stock Y 1 2 3 4 5 7% -4% 1% 10% -2% 4% -3% 8% 5% 7% Consider a portfolio of 70% stock X and 30% stock Y. What is the mean of portfolio returns? Please specify your answer in decimal terms and round your answer to the nea Q:3 Returns on stocks X and Y are listed below: Period Stock X Stock Y 1 2 3 4 5 6% 11% 5% 7% -2% 10% 10% -2% 3% 3% Consider a portfolio of 70% stock X and 30% stock Y. What is the (population) standard deviation of portfolio returns? Please specify your answer in decimal terms and round your answer to the nea Note that the correct answer will be evaluated based on the full-precision resul Q:4 Summary statistics for returns on two stocks X and Y are listed below. Mean Stock X Stock Y 4.88% 3.71% Variance 0.005 0.007 The covariance of returns on stocks X and Y is 0.002700. Consider a portfolio o What is the mean of portfolio returns? Please specify your answer in decimal terms and round your answer to the nea Q:5 Summary statistics for returns on two stocks X and Y are listed below. Mean Stock X Stock Y 2.71% 3.16% Variance 0.003 0.005 The covariance of returns on stocks X and Y is 0.003900. Consider a portfolio o What is the standard deviation of portfolio returns? Please specify your answer in decimal terms and round your answer to the nea Note that the correct answer will be evaluated based on the full-precision resul Probability Q:1 A corporation produces packages of paper clips. The number of clips per packa 51 50 48 49 53 50 Create a histogram. How many packages contain between 47 and 51 clips (inclusive) per pack Please specify your answer as an integer. Q:2 A corporation produces packages of paper clips. The number of clips per packa 51 53 48 50 49 47 Create a probability density function. What is the probability that a randomly chosen package contains between Please specify your answer in decimal terms and round your answer to the nea Q:3 Let X be a discrete random variable. If Pr(X7) = 1/5, then Please specify your answer in decimal terms and round your answer to the nea Q:4 Let X be a discrete random variable. If Pr(X
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Explanation & Answer

please find attached the solved excel file. the respective answers are highlighted in yellow.Pallvee

Linear Combinations
Qustion 1

Returns on stocks X and Y are listed below:
Period
Stock X
Stock Y

1

2

3

4

3%
1%

-2%
-4%

9%
7%

6%
12%

What is the (population) covariance of returns on the two stocks?
Please round your answer to six decimal places.
Note that the correct answer will be evaluated based on the full-precision resul
Question 2

Returns on stocks X and Y are listed below:
Period
Stock X
Stock Y
Portfolio Returns

1

2

3

4

9%
-4%

5%
3%

6%
1...


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