Which sentence is true?
A. Miami has the greater first quartile and IQR.
B. Miami has the greater third quartile and IQR.
C. New Orleans has the greater median and IQR.
D. New Orleans has the greater third quartile and IQR.

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?