Consider the following information:State ofEconomyProbability ofState of Economy0.700.30BoomBustRate of Return if State OccursStock BStock C9.210.390.02-0.07Stock A0.140.11a. What is the expected return on an equally weighted portfolio of these three stocks? (Do not round intermediate calculations.Round the final answer to 2 decimal places.)Expected returnb. What is the variance of a portfolio invested 25% each in A and B and 50% in C? (Do not round intermediate calculations, Roundthe final answer to 6 decimal places.)Variance

Given that, Rate of Return if State OccursState of EconomyProbability of State of EconomyStock…

Answered: a. What is the expected return on an…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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When would you use a chi-square analysis A.When the variance between two groups are equal B. When the data are normally distributed C. When you only have categorical variables to analyze
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. A sample of 24 night students and 28 day students and their GPA's are recorded below. Test the claim using a 1% level of significance. Assume the population variances are unequal and that GPAs are normally distributed. Give answers to 4 decimal places. GPA-Night GPA-Day 3.05 3.38 2.91 3.02 3.27 3.4 3.29 2.73 3.3 3.24 3.35 2.69 3.39 3.25 3.52 3.33 3.39 2.33 3.25 3.51 3.08 3.07 3.27 2.9 3.32 3.48 3 2.94 3.62 2.93 3.64 3.31 3.54 2.62 3.45 2.66 3.29 3.27 3.56 2.76 3.15 2.7 3.4 3.27 3.51 2.96 3.54 2.86 3.24 2.72 2.64 3.14 What are the correct hypotheses? Note this may view better in full screen mode. Select the correct symbols in the order they appear in the problem.H0: Select an answer x̅₂ s² x̅₁ σ² μ₂ μ₁ p ? = ≠ > < ≥ ≤ Select an answer 0 μ₂ x̅₂ x̅₁ σ² p s² μ₁ H1: Select an answer σ² x̅₂ x̅₁ μ₁ μ₂…
I need the answer as soon as possible
Suppose X∼Bin(20,0.8).X∼Bin(20,0.8). What is the variance of XX? A. 15 B. 16 C. 5 D. 10 E. 3.2
When do we know when the variances are similar when using Levene’s test? when the probability for the score is .≠05 when the probability for the score is .>05 when the probability for the score is .=05 when the probability for the score is .<05
Find the variance(2 decimal).
Exercise 6. Regression Fallacy. Historically, scores on the two midterms had a correlation of 0.48. Suppose that Jeri scored 2.1 standard deviations below the mean on the first midterm. (a) How many standard deviations [above or below?] the mean would you predict for her second midterm?
Find the range, variance, and standard deviation of the SAMPLE. Range : Variance: Standard Deviation: X "X" -X ̅ "(X" -X ̅)2 12 6 3 10 15 4 5 8 12 5 Total: 80 Find the range, variance, and standard deviation of the POPULATION. Range: Variance: Standard Deviation: X "X" -X ̅ "(X" -X ̅)2 12 6 3 10 15 4 5 8 12 5 Total: 80
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mnomy use the standard deviation of the monthly percentage return for a mutual fund as a measure of the risk for the fund; in such cases, a fund that has a larger standard deviation is considered more risky than a fund with a lower standard deviation. The standard deviation for the American Century Equity Growth fund and the standard deviation for the Fidelity Growth Discovery fund were recently reported to be 15.0% and 18.9%, respectively. Assume that each of these standard deviations is based on a sample of 60 months of returns. Do the sample results support the conclusion that the Fidelity fund has a larger population variance than the American Century fund? Which fund is more risky? (17. ) Most individuals are aware of the fact that the average annual repair cost for an auto- mobile depends on the age of the automobile. A researcher is interested in finding out whether the variance of the annual repair costs also increases with the age of the auto- mobile. A sample of 26…

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