Question: a. What is the probability of randomly selecting a disk drive from company B? b. What is the probability of the company selecting a defective

a. What is the probability of randomly selecting a disk drive from company B? b. What is the probability of the company selecting a defective disk drive? c. What is the probability of the company selecting from supplier A or D? d. What is the probability of the company selecting a drive from supplier C and it is working? e. What is the probability of the company selecting from supplier A or a working drive? f. Given that supplier B supplied the drive, what is the probability of a defect? g. Given that the drive is working, what is the probability that it came from company D? h. Given that supplier D supplied the drive, what is the probability of a working drive? Supplier Working Defective Total A 0.17 0.01 0.18 B 0.26 0.02 0.28 C 0.07 0.01 0.08 D 0.43 0.03 0.46 Total 0.93 0.07 1

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