Review 9 A company produces 1,000 refrigerators a week at three plants. Plant A produces 350 refrigerators a week, plant B produces 250 refrigerators a week, and plant C produces 400 refrigerators a week. Records indicate that 5% of the refrigerators produced at plant A will be defective, 3% of those produced at plant B will be defective, and d d l B ill b d f i d 7% of those produced at plant C will be defective. Questions are on next slide. Give answers as decimal numbers. 1. Find the probability that a single refrigerator is defective given it comes from plant B. 2 Find the probability that a single refrigerator is 2. Find the probability that a single refrigerator is defective. 3. Find the probability that a single defective refrigerator came from plant C. 4. If 50 refrigerators are shipped from plant A, find the probability that exactly 3 are defective. 5. If 50 refrigerators are shipped from plant A, find the probability that at most 3 are defective. Review 9 6. Solve the equation. Your answers should be exact numbers (fractions and not decimal approximations). i ti ) 52 x ( 24 x + 16 ) = 0 \f\f