In a commercial survey involving 1000 person on brand preference, 120 were found to prefer brand X only, 200 persons prefer brand Y only, 150 persons prefer brand Z only, 370 prefer either X or Y but not Z, 450 prefer brand Y or Z but not x, and 370 prefer either brand Z or X but not Y, and none prefer all three brands at a time. How many persons have no brand preference with any of the three brands?

In a commercial survey involving 1000 person on brand preference, 120 were found to prefer brand X only, 200 persons prefer brand Y only, 150 persons prefer brand Z only, 370 prefer either X or Y but not Z, 450 prefer brand Y or Z but not x, and 370 prefer either brand Z or X but not Y, and none prefer all three brands at a time. How many persons have no brand preference with any of the three brands?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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Transcribed Image Text:In a commercial survey involving 1000 person on brand preference, 120 were found to prefer brand X only, 200 persons prefer brand Y only, 150 persons prefer brand Z only, 370 prefer either X or Y but not Z, 450 prefer brand Y or Z but not x, and 370 prefer either brand Z or X but not Y, and none prefer all three brands at a time. How many persons have no brand preference with any of the three brands?

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