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Kids with cell phones A marketing manager for a cell phone company claims that the...

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Kids with cell phones A marketing manager for a cell phone company claims that the percentage of children aged 8 12 who have cell phones differs from 50 In a survey of 828 children aged 8 12 by a national consumers group 422 of them had cell phones Can you conclude that the manager s claim is true Use the a 0 01 level of significance and the P value method with the TI 84 Plus calculator Part 0 4 Part 1 of 4 a State the appropriate null and alternate hypotheses Ho P 0 50 H p 0 50 This hypothesis test is a right tailed test Part 2 of 4 O O 00 X 0 0 0 0 P b Compute the P value Round the answer to at least four decimal places

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