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.
: The proportion is the same as last year
The proportion is less than last year.
The P-value of a significance test is greater than the significance level.She can conclude:
A) the alternative hypothesis is true.
B) the null hypothesis is true.
C) there is not enough evidence to reject the null hypothesis.
D) the test was too powerful.
Correct Answer:
Verified
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