A manufacturer of shampoo claims that 42% of the shampoo users prefer brand X. To test this claim, a random sample of 59 participants are selected and asked what brand they prefer. If 20 of the 59 participants prefer brand X, what conclusion do we draw? Use a 0.1 level of significance."

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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"A manufacturer of shampoo claims that 42% of the shampoo users prefer brand X. To test this claim, a random sample of 59 participants are selected and asked what brand they prefer. If 20 of the 59 participants prefer brand X, what conclusion do we draw? Use a 0.1 level of significance."

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