Mathematics, 21.02.2020 01:04 lilbaby1433
Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 129 disks are summarized as follows:
shock Resistance
High Low
Scratch high 71 14
Resistance low 16 28
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. Round your answers to two decimal places (e. g. 98.77).
Find
1. P(A)
2.P(B)
3.P(A')
4.P(A ∩ B)
5. P(A U B)
6. P(A' U B)
Answers: 3
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