Jaxon needs to order some new supplies for the restaurant where he works. The restaurant needs at least 573 knives. There are currently 369 knives. If each set on sale contains 18 knives, which inequality can be used to determine ss, the minimum number of sets of knives Jaxon should buy

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?