A company studies the product preferences of 20,000 consumers. It was found that each of the products A, B and C was liked by 7500, 6500 and 5500 respectively and all the products were liked by 1230. Products A and B were liked by 2500, products A and C were liked by 2300 and products B and C were liked by 2530. Prove that the study results are not correct. Question :A company studies the productpreferences of 20,000 consumers. Itwas found that each of theproducts A, B and C was liked by7500, 6500 and 5500 respectivelyand all the products wereliked by 1230. Products A and B wereliked by 2500, products A and Cwere liked by 2300 andproducts B and C were liked by 2530.Prove that the study results are notcorrect.

According to the given data, A company studies the product preferences of 20,000 customers. and…

Answered: A company studies the product…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A company studies the product preferences of 20,000 consumers. It was found that each of the products A, B and C was liked by 7500, 6500 and 5500 respectively and all the products were liked by 1230. Products A and B were liked by 2500, products A and C were liked by 2300 and products B and C were liked by 2530. Prove that the study results are not correct.

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