6. In all the state of the union (SOTU) addresses since that of President George Washington in theyear 1790 to that of President Barack Obama in the year 2016, a total of 69,158 sentences werespoken. In all SOTU addresses following that of President Woodrow Wilson 1920, a total of32,752 sentences were spoken; among these, 15,934 had a length or 20 words or more. Among thesentences spoken prior to this, 27,639 had a length of 20 words or more.See https://doi.org/10.46430/phen0061if you want to play with this kind of data.(a) If you select a sentence at random from the SOTU addresses given after 1920, with whatprobability does it have a length of at least 20 words?(b) If you select a sentence at random from the SOTU addresses given before or during 1920, withwhat probability does it have a length of at least 20 words?(c) If you select a sentence at random from all the SOTU addresses from 1790 to 2016, with whatprobability does it have a length of at least 20 words?(d) If you select a sentence at random from all the SOTU addresses from 1790 to 2016, what isthe probability that it belongs to a SOTU address given after 1920, given that it has a lengthof at least 20 words?Page 2

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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

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