A conservative investor would like to invest some money in a bond fund. The investor is concerned about the safety of her principal (the original moneyinvested). Colonial Funds claims to have a bond fund which has maintained a consistent share price of $7. They claim that this share price has not varied bymore than $0.25 on average since its inception. To test this claim, the investor randomly selects 25 days during the last year and determines the share pricefor the bond fund. The average share price of the sample is $7 with a standard deviation of $0.35.Construct a 90% confidence interval for the standard deviation of the share price of the bond fund. Round your answer to four decimal places.

Given that, The degree of freedom is,

Answered: A conservative investor would like to…

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 "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2021, based on their performance the preceding year. Symbol Company Price ($) as of 12/31/2020 Yield as of 12/31/2020 CVX Chevron 84.45 6.11% IBM IBM 125.88 5.18% DOW Dow 55.50 5.05% WBA Walgreens 39.88 4.69% VZ Verizon 58.75 4.27% MMM 3M 174.79 3.36% CSCO Cisco 44.39 3.24% MRK Merck 81.80 3.18% AMGN Amgen 229.92 3.06% KO Coca-Cola 54.84 2.99% You decide to make a small portfolio consisting of a collection of 6 of the top 10 Dogs of the Dow. (a) How many portfolios are possible? portfolios (b) How many of these portfolios contain DOW but not MMM? portfolios (c) How many of these portfolios contain at most one stock priced above $100? portfolios
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