Birth control pills have a theoretical annual efficacy of 99.5%, but a real-worls efficacy of only 95%. If a college student tak
es the pill for the four years she is in college, what is the probability that she will become pregnant at least once using the theoretical efficacy rate? A. 0
Since all of the aides are equal as the labeled hash marks say, just count up all of the sides and divide 48 (the perimeter) by that number (8) and you’ll get an answer of 6