Multiple Choice
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 -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.
E) there is enough evidence to reject the null hypothesis.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: A skeptical paranormal researcher claims that
Q8: Data in 1980 showed that about 40%
Q9: Use the <span class="ql-formula" data-value="t"><span
Q10: An entomologist writes an article in
Q11: A pharmaceutical company wants to answer the
Q13: A company hopes to improve its
Q14: A report on the U.S. economy
Q15: A manufacturer claims that the mean amount
Q16: Use the <span class="ql-formula" data-value="t"><span
Q17: A report on the U.S. economy