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Proctor & Gamble claims that at least half the bars of Ivory soap they produce are 99.44% pure (or more pure) as advertised. Unilever, one of Proctor & Gamble's competitors, wishes to put this claim to the test. They sample the purity of 127 bars of Ivory soap. They find that 50 of thern meet the 99.44% purity advertised. What type of test should be run? z-test of a proportion Ot-test of a mean The alternative hypothesis indicates a O two-tailed test left-tailed test Oright-tailed test Calculate the p-value. Does Unilever have sufficient evidence to reject Proctor & Gamble's claim? Yes O No

Proctor & Gamble claims that at least half the bars of Ivory soap they produce are 99.44% pure (or more pure) as advertised. Unilever, one of Proctor & Gamble's competitors, wishes to put this claim to the test. They sample the purity of 127 bars of Ivory soap. They find that 50 of thern meet the 99.44% purity advertised. What type of test should be run? z-test of a proportion Ot-test of a mean The alternative hypothesis indicates a O two-tailed test left-tailed test Oright-tailed test Calculate the p-value. Does Unilever have sufficient evidence to reject Proctor & Gamble's claim? Yes O No

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Chapter 9 Problem Set IGRAL X + Courses/10177/assignments/2446457module_item_id=747217 Proctor & Gamble claims that at least half the bars of Ivory soap they produce are 99.44% pure (or more pure) as advertised. Unilever, one of Proctor & Gamble's competitors, wishes to put this claim to the test. They sample the purity of 127 bars of Ivory soap. They find that 50 of them meet the 99.44% purity advertised. What type of test should be run? Oz-test of a proportion Ot-test of a mean The alternative hypothesis indicates a Otwo-tailed test Oleft-tailed test Oright-tailed test Calculate the p-value.. Does Unilever have sufficient evidence to reject Proctor & Gamble's claim? O Yes O No Question Help: D Post to forum Submit Question 31 DELL
Transcribed Image Text:Chapter 9 Problem Set IGRAL X + Courses/10177/assignments/2446457module_item_id=747217 Proctor & Gamble claims that at least half the bars of Ivory soap they produce are 99.44% pure (or more pure) as advertised. Unilever, one of Proctor & Gamble's competitors, wishes to put this claim to the test. They sample the purity of 127 bars of Ivory soap. They find that 50 of them meet the 99.44% purity advertised. What type of test should be run? Oz-test of a proportion Ot-test of a mean The alternative hypothesis indicates a Otwo-tailed test Oleft-tailed test Oright-tailed test Calculate the p-value.. Does Unilever have sufficient evidence to reject Proctor & Gamble's claim? O Yes O No Question Help: D Post to forum Submit Question 31 DELL
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