Question: Technology is dramatically changing the way we communicate. In 1997, a survey of 880 U.S. households showed that 149 of them use e-mail. We want

Technology is dramatically changing the way we communicate. In 1997, a survey of 880 U.S. households showed that 149 of them use e-mail. We want to test the claim that more than 15% of U.S. households use e-mail. Questions: - What are the appropriate null and alternative hypotheses for this test? - At 0.05 level of significance, what is the rejection criteria? - Compute the value of the test statistic, z

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