Refer to the part of given Example in which two students are drawn without replacement from a class of 30 students in which three are left-handed. Draw a tree diagram to illustrate that the probability of selecting two left handed students is 1/145.
Example
Choosing Left-Handed Students A class of 30 children includes 27 who are right handed and 3 who are left-handed. The teacher plans to randomly choose one child on Monday and one on Tuesday to help demonstrate a science experiment. The teacher, who is left-handed herself, enjoys it when a left-handed assistant is chosen.