Mathematics, 17.09.2019 22:10 nettyshaf202406
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
high low
scratch high 70 9
resistance low 16 5
(a) if a disk is selected at random, what is the probability that its scratch resis-tance is high and its shock resistance is high?
(b) if a disk is selected at random, what is the probability that its scratch resis-tance is high or its shock resistance is high?
(c) consider the event that a disk has high scratch resistance and the event thata disc has high shock resistance. are these events mutually exclusive?
Answers: 2
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Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. the re...
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