I'm struggling with this problem and I need some help with it, please? 14. Garlic for Reducing Cholesterol In a test of the effectiveness of garlic for loweringcholesterol, 49 subjects were treated with raw garlic. Cholesterol levels were measured beforeand after the treatment. The changes (before minus after) in their levels of LDL cholesterol(in mg/dL) had a mean of 0.4 and a standard deviation of 21.0 (based on data from "Effect ofRaw Garlic vs Commercial Garlic Supplements on Plasma Lipid Concentrations in Adults withModerate Hypercholesterolemia," by Gardner et al., Archives of Internal Medicine, Vol. 167).Construct a 98% confidence interval estimate of the mean net change in LDL cholesterol afterthe garlic treatment. What does the confidence interval suggest about the effectiveness of garlicin reducing LDL cholesterol? Confidence Intervals. In Exercises 9–-24, construct the confidence interval estimate ofthe mean.

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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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You are thinking of making your home more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs and insulating part or all of your exterior walls. Each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† Your home has 50 light fittings and 1,200 square feet of uninsulated exterior wall. You can spend no more than $1,300 and would like to save as much per year in energy costs as possible. How many compact fluorescent light bulbs and how many square feet of insulation should you purchase? (If an answer does not exist, enter DNE.) compact fluorescent light bulbs bulbs insulation sq ft How much will you save in energy costs per year?

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