Mathematics, 14.02.2020 16:27 gonzalesalexiaouv1bg

It is generally recognized as wise to back up computer data. Assume that there is a 11% rate of disk drive failure in a year. a. If all of a computer's data are stored on a single hard disk drive, what is the probability that the drive will fail during a year? b. If all of a computer's data are stored on a hard disk drive with a copy stored in a second hard disk drive, what is the probability that both drives will fail during a year? c. If all of a computer's data is stored on three independent hard disk drives, what is the probability that all three will fail during a year?

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It is generally recognized as wise to back up computer data. Assume that there is a 11% rate of disk...

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