Sample Tests for a Population Mean
Large Sample Tests for a Population Proportion
ANSWERS
3. a. ; reject .
b. or ; reject .
c. do not reject .
5. a. -value ; reject .
b. -value reject .
c. -value ; do not reject .
7. a. , reject .
b. , do not reject
9. a. -value , do not reject .
b. -value , reject .
23. vs. . Test Statistic: . Rejection Region: . Decision: Fail to reject .
25. vs. . Test Statistic: . Rejection Region: Decision: Fail to reject .