If all your computer data is stored on a hard disk drive with a copy stored on a second hard diskâ drive, what is the probability that during aâ year, you can avoid catastrophe with at least one workingâ drive?
If all your computer data is stored on a hard disk drive with a copy stored on a second hard diskâ drive, what is the probability that during a year, you can avoid catastrophe with at least one workingâ drive? The probability is .9879
