For numbers 14-15. A sample of 150 plastic pipes were selected and subjected to shock resistance and scratch resistance tests. The results are summarized in the table below. SCRATCH RESISTANCE SHOCK RESISTANCE High 125 High Low 12 Low 7 6 14. A pipe is selected at random. What is the probability that it has high shock resistance given that it has high scratch resistance? 125 125 A. B. 137 C. 132 132 137 D 150 150 15. What is the probability that it has high scratch resistance and high shock resistance? 125 125 137 B. B. 132 C. - D. 150 137 150 150

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