From the school of Allied Health, 10 faculty out of 40 are to be selected to attend a summer conference. Of the 40, 25 are women and 15 are men. Select the 10 by the most appropriate method.

A new teaching tool developed by the Allied Health department is claimed to help 68% of students learn at a faster pace. State the null and alternate hypothesis if:

a) 68% is too low

b) 68% is not correct but you don't know what it should be