The quarterly returns for a group of 65 mutual funds with a mean of 1.3% and a standard deviation of 5.2% can bemodeled by a Normal model. Based on the model N(0.013,0.052), what are the cutoff values for thea) highest 30% of these funds?b) lowest 10%?c) middle 60%?d) highest 90%?...a) Select the correct choice and fill in any answer boxes in your choice below.(Round to two decimal places as needed.)XA. x<B. x> 4.03 %Oc.%

Answered: Image /qna-images/answer/3464b811-bedd-4ca3-9850-82e64b8f3a41.jpg

Answered: The quarterly retums for a group of 65…

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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The shape of the mean-variance frontier that results from the combination of a riskless and arisky asset is…..:a. Is U-shaped, tilted 90 degrees clockwise.b. Is a straight line passing from the mean-variance points of the two assets.c. Is a hyperbola.d. Consists of two straight lines, each connecting one of the two assets to a risk-freeportfolio
(c) Calculate the test statistic. d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.
12. An educator hypothesizes that the median of the number of students enrolled in cyber schools in school districts in southwestern Pennsylvania is 25. At a = 0.05 , is there enough evidence to reject the educator's claim? The data are shown here. What benefit would this information provide the school board of a local school district? Assume that the data do not follow a normal distribution. 12 41 26 14 27 27 11 38 17 11 66 14 8 35 16 25 17 13. A researcher wishes to compare the prices of three types of lawnmowers. At a= 0.10, can it be concluded that there is a difference in the prices? Based on your answers, do you feel that the cost should be a factor in determining which type of lawnmower a person would purchase? Assume that the data do not follow a normal distribution. Gas-powered self-propelled Gas-powered push Electric 188 290 320 325 360 245 210 200 470 300 229 395 330 160 14. A random sample of scoring leaders from NHL showed the following numbers of assists and total points.…
Fit a linear trend curve by the least-squares method to the following data and then estimate levels of production in 2023 and 2025. Year 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Production (M Tons) 10 12 16 20 22 25 28 31 35 40 44 50 Consider the following distributions of the marks scored by 100 students in a quantitative techniques activity. The median mark is known and given as 49.8. Marks 0- 15 15- 30 30- 45 45- 60 60- 75 75 – 90 90-105 Total No. of Students 10 12 20 f1 15 f2 8 100 Find the missing frequencies f1 and f2 and then compute the Bowley coefficient skewness and comment.
In case-crossover studies, all fixed individual characteristics that might confound the association of interest are controlled for. A. True B. False C.Neither
A study of Brown Bag Company's payment practices showed that the company pays its vendors 20 days after the accounting department receives the invoice. The standard deviation is 5 days. Assuming that there is a normal distribution across the company's payments, what percent of the invoices are paid within 15 days of receiving them? Based on your answer, recommend an effective payment strategy for the company.
Suppose that the tenth prize of a $1600 tournament will be $100 and each place should be worth approximately 10% more than the next place. Discuss the realistic distribution of prize values if they are rounded to the nearest penny, dollar, five dollars, and ten dollars.
Based on predictive modeling, this upcoming Winter is going to have very unpredictable weather. The National Weather service is considering abolishing specific long-term forecasts, and instead will utilize a statistical model that predicts a mean of six significant snowfalls per month. Use this information to answer the following question correctly: Trying to be forward-thinking, I'm going to try planning my one month long Winter Break based around this model's predictions. I will only travel for the holidays if there is at most one significant snowfall over winter break. What is the probability of this happening? O 0.0174 O 0.0149 O 0.0025 O 0.0542
A stock analyst wondered whether the mean rate of return of financial, energy and utility stocks differed over the past 5 years. He obtained a simple random sample of eight companies from each of the three sectors and obtained the 5-year rates of return shown in the following table (in percents): Financial Energy Utilities 10.76 12.72 11.88 15.05 13.91 5.86 17.01 6.43 13.46 5.07 11.19 9.90 19.50 18.79 3.95 8.16 20.73 3.44 10.38 9.60 7.11 6.75 17.40 15.70 Source: Morningstar.com Required: (a) State the null and alternative hypothesis. (b) Are the mean rates of return different at the alpha = 0.05 level of significance? Please explain your answer, citing numeric and other evidence in support of your response.
The accompanying data are x = advertising share and y = market share for a particular brand of soft drink during 10 randomly selected years. x 0.104 0.072 0.072 0.077 0.086 0.047 0.060 0.050 0.070 0.052 y 0.137 0.127 0.120 0.086 0.079 0.076 0.065 0.059 0.051 0.039 b)Calculate the equation of the estimated regression line. (Round your answers to four decimal places.) d)Calculate a point estimate of ?e. (Round your answer to five decimal places.)
At the end of 2015, 2016, and 2017, the average prices of a share of stock in a portfolio were $34.83, $34.65, and $31.26 respectively. To investigate the average share price at the end of 2018, a random sample of 30 stocks was drawn and their closing prices on the last trading day of 2018 were observed with a mean of 33.583 and a standard deviation of 19.149. Estimate the average price of a share of stock in the portfolio at the end of 2018 with a 95% confidence interval. Compare and Briefly discuss
Select one method to filter conditional volatility. Present and interpret descriptive statistics of conditional volatility of (i) overnight returns, (ii) intraday returns, and (iii) total returns.

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