A law enforcement agent believes that at least 88% of the drivers stopped on Saturday nights for speeding are under the influence of alcohol. A sample of 66 drivers who were stopped for speeding on a Saturday night was taken. Eighty percent of the drivers in the sample were under the influence of alcohol.
a.State the null and alternative hypotheses.
b.Compute the test statistic.
c.Using the p-value approach, test the hypotheses at the .05 level of significance.

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The Answer of A law enforcement agent believes that at least 88% of the drivers stopped on Saturday nights for speeding are under the influence of alcohol. A sample of 66 drivers who were stopped for speeding on a Saturday night was taken. Eighty percent of the drivers in the sample were under the influence of alcohol.
a.State the null and alternative hypotheses.
b.Compute the test statistic.
c.Using the p-value approach, test the hypotheses at the .05 level of significance.

A Law Enforcement Agent Believes That at Least 88% of the Drivers