I want to test $H _ { 0 } : p = .7 \mathrm { vs } . H _ { \mathrm { a } } : p \neq .7$ using a test of hypothesis. This test would be called a(n) ________test.
A) upper-tailed
B) lower-tailed
C) one-tailed
D) two-tailed

Question

Quizplus · Accepted Answer

The test is called a two-tailed test because the alternative hypothesis specifies that the parameter could be different from the null hypothesis value in either direction (less than or greater than 0.7), not just one.

I Want to Test H0:p=.7vs.Ha:p≠.7H _ { 0 } : p = .7 \mathrm { vs } . H _ { \mathrm { a } } : p \neq .7H0​:p=.7vs.Ha​:p=.7

I Want to Test $H _ { 0 } : p = .7 \mathrm { vs } . H _ { \mathrm { a } } : p \neq .7$