A container is 60% filled with oil. the container holds 1710 liters of oil. how many liters of lil are needed to fill the container to the top? A: 1710 liters
B: 1026 Liters
C: 684 liters
D: 379 liters

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?