In a group of 12 persons 3 are left handed Suppose
In a group of 12 persons 3 are left handed Suppose
In a group of 12 persons, 3 are left-handed. Suppose that 2 persons are randomly selected from this group. Let x denote the number of left-handed persons in this sample. Write the probability distribution of x. You may draw a tree diagram and use it to write the probability distribution.