A survey of 600 texters show the following cellphone brand preference: 300 prefer nokia; 250 prefer sony; 200 prefer Samsung; 75 prefer nokia and sony; 65 prefer nokia and Samsung; 85 prefer sony and Samsung and 25 prefer other brands. How many prefer nokia cellphones only?  100 300 210 140

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A survey of 600 texters show the following cellphone brand preference: 300 prefer nokia; 250 prefer sony; 200 prefer Samsung; 75 prefer nokia and sony; 65 prefer nokia and Samsung; 85 prefer sony and Samsung and 25 prefer other brands. How many prefer nokia cellphones only? 
100
300
210
140

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