The double box plot shows the heights in inches for the players on two professional basketball teams. Compare their centers and variations. Write an inference you can draw about the two populations. Height of Players (in.)
NY Knicks 79 NJ Nets 80

70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85

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?