Which of the following represents the fraction 3/10. 10 people buy a raffle ticket for $3.00. 3 people buy a raffle ticket for $10.00. a sandwich 10 feet long is cut into 3 equal pieces. a sandwich 3 feet long is cut into 10 equal pieces.

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?