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Please help me with these 3 questions thanks

Please help me with these 3 questions thanks

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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a Standard deviation 23.2 find the first Quartile assume that adults have an IQ scores that are normally distributed with a mean of 95 ano an which is the IQ score Seperating the bottom 2506 from the top 7sS o6 The first quartile is 21PEREINI DAG
Transcribed Image Text:a Standard deviation 23.2 find the first Quartile assume that adults have an IQ scores that are normally distributed with a mean of 95 ano an which is the IQ score Seperating the bottom 2506 from the top 7sS o6 The first quartile is 21PEREINI DAG
GSsume Hhat adults have IQ scores that normally distributed with a mean of 99,1 and that a randomly Selected aduits has an IQ greater 10010 Gre a Standard deviation of 18:2 find Hhe probability than 125,7 Srom Probability that a randiy selected odullt Engineers want to design Seats in commercial So hat they are wide enouph to fit 90%0 of all mares Caccomodating 10090 of mares air crafts would requiire very wide Beats that would be much too expensive) men have hip breadths that are normally distributed with a mean of 14:3 in.and a Standard deriation of 1.l in find Pao. That is find the hip bread th for men 2ng that seperates the smallest 90g% from the largest loge 2engeur esq Yhe hip breadh for men that Seperates conzs ache Smallest 90o0 from the largest lo go is Pao = in O w conuyer ASBISS 43 bW
Transcribed Image Text:GSsume Hhat adults have IQ scores that normally distributed with a mean of 99,1 and that a randomly Selected aduits has an IQ greater 10010 Gre a Standard deviation of 18:2 find Hhe probability than 125,7 Srom Probability that a randiy selected odullt Engineers want to design Seats in commercial So hat they are wide enouph to fit 90%0 of all mares Caccomodating 10090 of mares air crafts would requiire very wide Beats that would be much too expensive) men have hip breadths that are normally distributed with a mean of 14:3 in.and a Standard deriation of 1.l in find Pao. That is find the hip bread th for men 2ng that seperates the smallest 90g% from the largest loge 2engeur esq Yhe hip breadh for men that Seperates conzs ache Smallest 90o0 from the largest lo go is Pao = in O w conuyer ASBISS 43 bW
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