Question
Proctor & Gamble claims that 50% of the bars of Ivory soap they produce are perfect (meaning no defects or other issues). Unilever, one of
Proctor & Gamble claims that 50% of the bars of Ivory soap they produce are "perfect" (meaning no defects or other issues). Unilever, one of Proctor & Gamble's competitors, wants to test to see if the percentage of Ivory soap bars that are "perfect" is actually less than half. They sample 130 bars of Ivory soap. They find that 57 of them meet the perfect standard as advertised.
Proctor & Gamble claims that 50% of the bars of Ivory soap they produce are "perfect" (meaning no defects or other issues). Unilever, one of Proctor & Gamble's competitors, wants to test to see if the percentage of Ivory soap bars that are "perfect" is actually less than half. They sample 130 bars of Ivory soap. They find that 57 of them meet the perfect standard as advertised.
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Precalculus
Authors: Braja M Das, David Cohen, Theodore B Lee, David Sklar
7th Edition
1133386482, 9781133386483
