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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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D-john D-john
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4 years ago
A statistician consulting for a state department of transportation conducts a study to see if the proportion of drivers who are intoxicated has decreased since last year.
H0: The proportion is the same as last year
Ha: The proportion is less than last year.
The P-value of a significance test is greater than the significance level. She can conclude:

▸ the alternative hypothesis is true.

▸ there is enough evidence to reject the null hypothesis.

▸ the test was too powerful.

▸ there is not enough evidence to reject the null hypothesis.

▸ the null hypothesis is true.
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
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Cass S.Cass S.
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4 years ago
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