Letnbspanbspdenote the event that a disk has high shock

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Reference no: EM13638361

Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 100 disks are summarized as follows:

	shock resistance
scratch resistance	high	low
high	70	9
low	16	5

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. If a disk is selected at random, determine the following probabilities. Input your answers in the fractional form (do not simplify).

Reference no: EM13638361

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