12. Spacely Sprockets manufactures 24% of their sprockets on Neptune, and the remainder on Pluto. Of the sprockets made on Neptune, 3.3% are defective. Of the sprockets made on Pluto, 1.7% are defective. What fraction of all defective sprockets were manufactured on Neptune? [You may want to use a tree diagram.]
12. Spacely Sprockets manufactures 24% of their sprockets on Neptune, and the remainder on Pluto. Of the sprockets made on Neptune, 3.3% are defective. Of the sprockets made on Pluto, 1.7% are defective. What fraction of all defective sprockets were manufactured on Neptune? [You may want to use a tree diagram.]
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 74E: Lottery Powerball is a lottery game that is operated by the Multi-State Lottery Association and is...
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