ent 3 (Chapter 4) i Saved Five defective electric toothbrushes were accidentally shipped to a drugstore by Cleanbrush Products along with 28 non-defective ones. a. What is the probability the first two toothbrushes sold will be defective? (Round the final answer to 5 decimal places.) Probability b. What is the probability the first two electric toothbrushes sold will not be defective? (Round the final answer to 4 decimal places.) Probability ices