The measures have been substituted in the formula for
the volume of a cylinder.
V = 1252(14)
Approximately how much water will fill the tank?
Use the calculator to approximate the amount to the
nearest hundredth.
cubic feet

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?