If you study assigned material until you feel you know all of it, and then review it several times, you will be practicing the study method of: a. overlearning
b. rehearsal
c. spaced practice
d. massed practice

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.