Question

4. A national survey found that 33% of university students said they texted or e-mailed while driving. These findings came a day after a Macau young adult was convicted for causing a fatal crash while texting. A researcher wonders whether texting or e-mailing while driving is more prevalent among the Macau young adults, i.e. the Macau young adults engage in this behavior at a rate greater than the national rate. He surveys 100 young adults and 42% of them admitted that they texted or e-mailed while behind the wheel. e. At 1% significance level, state the decision rule for the hypotheses.

          4. A national survey found that 33% of university students said they texted or e-mailed while
driving. These findings came a day after a Macau young adult was convicted for causing a
fatal crash while texting. A researcher wonders whether texting or e-mailing while driving
is more prevalent among the Macau young adults, i.e. the Macau young adults engage in this
behavior at a rate greater than the national rate. He surveys 100 young adults and 42% of
them admitted that they texted or e-mailed while behind the wheel.
e. At 1% significance level, state the decision rule for the hypotheses.

4. A national survey found that 33% of university students said they texted or e-mailed while
driving. These findings came a day after a Macau young adult was convicted for causing a
fatal crash while texting. A researcher wonders whether texting or e-mailing while driving
is more prevalent among the Macau young adults, i.e. the Macau young adults engage in this
behavior at a rate greater than the national rate. He surveys 100 young adults and 42% of
them admitted that they texted or e-mailed while behind the wheel.
e. At 1% significance level, state the decision rule for the hypotheses.

Added by Montserrat B.

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