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  3. 226 disks of polycarbonate plastic from a supplier are ana...

Question: 226 disks of polycarbonate plastic from a supplier are ana...

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2-26. Disks of polycarbonate plastic from a supplier are ana- lyzed for scratch and shock resistance. The results from 100 disks are summarized here: Shock Resistance High Low High Low 70 15 Scratch 10 Resistance Let A denote the event that a disk has high shock resistance, and let B denote the event that a disk has high scratch resistance. Determine the number of disks in An B, A, and AUB.
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