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A survey organization sampled 58 households in a community and found that the mean number...

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A survey organization sampled 58 households in a community and found that the mean number of TV sets per household was 3 55 The standard deviation is 1 5 Can you conclude that the mean number of TV sets per household is greater than 3 Use the a 0 01 level a State the null and alternative hypotheses Ho H C b Find the critical value and sketch the rejection region Sketch of Rejection Region 3 2 1 0 1 2 3 Q Critical value s 3 2 1 0 1 2 3 3 2 1 0 1 If there are two critical values list both values separated by a comma c Find the test statistic 2 3

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