The quarterly returns for a group of 75 mutual funds are well modeled by a Normal model with a mean of 8.6% and a standard deviation of 1.6%. Use the 68-95-99.7 Rule to find the cutoff valuesthat would separate the following percentages of funds, rather than using technology to find the exact values.a) the highest 50%b) the highest 16%c) the lowest 2.5%d) the middle 68%a) Select the correct choice and fill in any answer boxes in your choice below(Round to one decimal place as needed)OA x2%5xsOc. xsb) Select the correct choice and fill in any answer boxes in your choice below.(Round to one decimal place as needed.)OA SESOB. SOC. **%c) Select the correct choice and fill in any answer boxes in your choice below(Round to one decimal place as needed)OA x2OBSESOC. xd) Select the correct choice and fill in any answer boxes in your choice below(Round to one decimal place as needed)OA %5x508. xs

Answered: The quarterly retums for a group of 75…

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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A sociology professor assigns letter grades on a test according to the following scheme.A: Top 13% of scoresB: Scores below the top 13% and above the bottom 61%C: Scores below the top 39% and above the bottom 20%D: Scores below the top 80% and above the bottom 9%F: Bottom 9% of scoresScores on the test are normally distributed with a mean of 73.5 and a standard deviation of 7.9. Find the minimum score required for an A grade. Round your answer to the nearest whole number.
Suppose losses follow a uniform distribution from 0 to 30,000. If there is a deductible of 3000, and maximum covered loss of 25000, what is the average payment per loss? Repeat above question, but calculate average amount paid per non-zero payment.
Observe the mean, the standard deviation, and the CV of the annual rate of return of the portfolio. Apple Historical Annual Stock Price Data Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change 2021 135.6974 129.4100 156.6900 116.3600 148.7600 12.11% 2020 95.3468 75.0875 136.6900 56.0925 132.6900 80.75% 2019 52.0640 39.4800 73.4125 35.5475 73.4125 86.16% 2018 47.2634 43.0650 58.0175 36.7075 39.4350 -6.79% 2017 37.6378 29.0375 44.1050 29.0050 42.3075 46.11% 2016 26.1510 26.3375 29.5625 22.5850 28.9550 10.03% 2015 30.0096 27.3325 33.2500 25.7800 26.3150 -4.64% 2014 23.0661 19.7546 29.7500 17.8494 27.5950 37.72% 2013 16.8798 19.6082 20.3604 13.9475 20.0364 5.42% 2012 20.5732 14.6868 25.0750 14.6868 19.0062 31.40% 2011 13.0002 11.7704 15.0800 11.2614…
The monthly incomes for 12 randomly selected people, each with a bachelor's degree in economics, are shown on the right. Complete parts (a) through (c) below. 4450.22 4596.42 4366.33 4455.04 4151.25 3727.13 4283.82 4527.56 4407.09 Assume the population is normally distributed. 3946.31 4023.04 4221.16 (a) Find the sample mean. (Round to one decimal place as needed.) (b) Find the sample standard deviation. (Round to one decimal placé as needed.) (c) Construct a 90% confidence interval for the population mean p. A 90% confidence interval for the population mean is ( D). (Round to one decimal place as needed.)
Quotations of Index Numbers of security prices of a certain joint stock company are given below : year Debenture price Share price 97.8 73.2 2 99.2 85.8 3 98.8 78.9 4 98.3 75.8 5 98.4 77.2 96.7 87.2 7 97.1 83.8 Using rank correlation method, determine the relationship between debenture prices and share prices.
Stock Market Listed on the top of the next page in order by row are the annual high values of the Dow Jones Industrial Average for each year beginning with 1990. Find the best model and then predict the value for the year 2014 (the last year listed). Is the predicted value close to the actual value of 18,054?
From the data in the table it shows the 2019 daily return data for the S&P 500 Index (stocks) and the US 30 year Bond (bonds). How do I test the hypothesis that mean daily return on stocks exceeds the mean daily return on bonds? Please show the steps. S&P500 dailt returns data: Date Price Daily Return 2019-12-31 3230.78 0.294602% 2019-12-30 3221.29 -0.578082% 2019-12-27 3240.02 0.003398% 2019-12-26 3239.91 0.512817% 2019-12-24 3223.38 -0.019545% 2019-12-23 3224.01 0.086614% 2019-12-20 3221.22 0.494478% 2019-12-19 3205.37 0.445929% 2019-12-18 3191.14 -0.043230% 2019-12-17 3192.52 0.033529% US 30 Year Bond Date Price Daily Return 31-Dec-19 2.389 2.32% 30-Dec-19 2.335 0.78% 29-Dec-19 2.317 -0.03% 27-Dec-19 2.318 -0.16% 26-Dec-19 2.321 -0.71% 25-Dec-19 2.338 0.15% 24-Dec-19 2.334 -0.83% 23-Dec-19 2.354 0.31% 22-Dec-19 2.346 0.12% 20-Dec-19 2.344 -0.43%
In a regression analysis, the coefficient of determination value is 0.804. What is the value for variance inflation factor? a) b) c) 5.102 0.196 0.804 4.292 d)
Suppose the following data show the introductory interest rates on a sample of 5 credit cards: 6, 2.7, 3.3, 5.6, 3.7. Calculate the standard deviation of the sample. Note: the numbers may be different from the last problem. (please express your answer using 2 decimal places)
An investor is looking at past trends for three plans comparing dividends paid per share. She collects sample data from each plan to compare the average dividends paid per share. Let ? = 0.05. Plan 1 Plan 2 Plan 3 1.28 1.00 0.35 1.55 1.19 1.15 1.86 1.25 0.15 1.95 3.17 1.00 0.75 1.46 0.30 2.68 0.60 0.61 2.03 1.31 1.04 Groups Count Average Variance Plan 1 7 1.728571 0.375514 Plan 2 7 1.425714 0.667762 Plan 3 7 0.657143 0.164724 Source of Variation Sum of Squares df Mean Squares F P F crit Between Groups 4.2709 2 2.1354 5.3033 0.0155 3.5546 Within Groups 7.2480 18 0.4027 Total 11.5189 20 (a) What is the next step in the one-way ANOVA? There is not enough information, so collect more data.Stop, the results were not significant. The Tukey-Kramer post hoc test is not needed. Stop, the results were significant. The Tukey-Kramer post hoc test is not needed.Continue to the Tukey-Kramer post hoc test, as the results were…
A private hospital stocks a “code blue” resuscitation kit that has a normally distributed demand during the reorder period. The mean (average)demand during the reorder period is 350 kits, and the standard deviation is 10 kits.
The monthly incomes for 12 randomly selected people, each with a bachelor's degree in economics, are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 4450.04 4596.08 4366.42 4455.64 4151.49 3727.22 4283.36 4527.36 4407.11 3946.91 4023.06 4221.57 (a) Find the sample mean. X = (Round to one decimal place as needed.)

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