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

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