In an urn, there are 11 balls. three balls are red(R) and eight balls are blue(B). draw two balls , one at a time with replacement. how to represent it in tree diagram using frequencies that show all possible outcome follows:
probability tree diagram
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
