Ms. diaz's garden is 15 feet long. she divides it into 6 equal sections to plant 6 different kinds of flowers. which statement describes the length, in feet, of each section of her garden?

a: each section is more than 1 foot but less than 2 feet long.
b: each section is more than 2 foot but less than 3 feet long.
c: each section is more than 3 foot but less than 4 feet long.
d: each section is more than 4 foot but less than 5 feet long.

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?