Answered: what is the obtained value? numerical…

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 group of buffaloes is introduced into a wildlife refugee. After t years, the population is given by N= 60/0.25+0.80^t a) how many buffalo were originally introduced into the protected area? B) when will the population reach 124 buffalo?
12.8 Each observation in a random sample of 100 bi- cycle accidents resulting in death was classified according to the day of the week on which the accident occurred. Data consistent with information given on the web site www.highwaysafety.com are given in the following table Day of Week Sunday Monday Tuesday Wednesday Thursday Friday Saturday Frequency 14 13 12 15 14 17 15 Based on these data, is it reasonable to conclude that the proportion of accidents is not the same for all days of the week? Use a = .05. • Provide a detailed null and alternate hypotheses (equations AND complete sentences). • . Calculate the test statistic • Neatly draw the diagram showing the critical zone and non-critical zone, and relevant critical test statistic and actual test statistic Clearly write a conclusion at the 5% significance level.
A filter removes 75% of the impurities of water that is passes throught it. Multiple filters can be used together to increase the purity of the water. This situation is represented by A=0.25^N, where A is the proportion of impurities remaining and n is the number of filters used. What proportion of impurities remians when four filters are used, to the nearest ten thousandth? Explain

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what is the obtained value? numerical only rounded to 2 decimal places heres th evalues M1=8.81 s1^2= 67.62 n=20 M2= 8.79 S^2=69.60 N=20