Which of the Following Is an Example of a Two-Tailed $H_{o}: \hat{p}>.4, ; H_{1}: \hat{p} \ngtr .4$

Multiple Choice

Which of the following is an example of a two-tailed test?

A) $H_{o}: \hat{p}>.4, ; H_{1}: \hat{p} \ngtr .4$ .
B) $H_{o}: \hat{p}<.3, ; H_{1}: \hat{p} \nless .3$ .
C) $H_{o}: \hat{p} \geq .5, ; H_{1}: \hat{p} \geq .5$ .
D) $H_{o}: \hat{p}=10 ; H_{1}: \hat{p} \neq 10$ .