Two Chips Are Drawn at Random and Without Replacement from a Bag

Essay

Two chips are drawn at random and without replacement from a bag containing two blue
chips and two red chips. Events A and B are defined as follows. A: {Both chips are red}
B : {At least one of the chips is blue}


a. Identify the sample points in the event $A \cup B$ .
b. Find $P ( A \cup B )$ .