Answered: In a poll of 7 randomly selected…

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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Transcribed Image Text:In a poll of 7 randomly selected students showed that 31.1 % of the respondents believe in global warming. Based on the sample results, the margin of error E that corresponds to a 95% confidence level is equal to: O a. 0.45 O b. 0.22 O c. 0.34 O d. 0.29 Construct a 98% confidence interval to estimate the population variance using a sample of size n=15 with standard deviation s-6.49. O a. 34.69 < 02 < 216.93 O b. 20.24 02 < 126.54 O c. 27.65 < 02 < 70.89 O d. 27.27 < 02 < 89.55 O e. 27.64 < 02 < 78.74 O f. 25.68< 02 < 81.52 People use Ing ink cartridges brand and generic cartridges; the test is done using paired samples. This means that the same people will use both types of cartridges and the pages printed in each case will be recorded. (a=0.01 significant level). Ing ink Generic ink 5.5 9.9 1.4 Find ??? Answer: 8 7.9 7.3 9.5

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