A marketing manager fora cell phone company claims that the percentage of children aged 8-12 who have cell phones differs from 61%. In a survey of 826 children aged 8-12 by a national consumers group, 545 of them had cell phones. Can you conclude that the managers claim is true? Use the a = 0.10 level of significance and the p value method with the ti 84 plus calculator. Compute the p value. Round the answers to at least four decimal places.

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