The “convenience” sample is the most likely to be a biased set because anything that is chosen out of convenience for the experimenter/observer will be of preference tendency.
Let b = blue ribbon and r = red ribbon.
3b/2 = r
3 * 30 / 2 = 45
r = 45
The answer is B. If you multiply it you get the original problem.
Answer:
its B:No, the face’s dimensions are 4 m by 4 m, so the area is 16 m2.
