manufacturing firm orders computer chips from three different companies:10% from Company A: 20% from Company B; and 70% from Company C. Some of the computer chips that are ordered are defective: 4% of chips from Company A are defective; 3% of chips from Company B are defective; and 0.5% of chips from Company C are defective. A worker at the manufacturing firm discovers that a randomly selected computer chip is defective. Make a tree diagram for this situation here. o 5. nc ac096