Which graph shows the equation V = 4 + 2t, where Vis the total volume of water in a bucket and t is the elapsed time in minutes?
2470
20
16
12
8
4
o
- 2
-8
-12
-16
-20
2411
20
16
12
8

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?