A coach records the ages of the players on two of her teams. Which statement about the ages of the students is true? A The range of ages is the same for both teams.

B The mode(s) of the ages is the same for both teams.

C The mean age of the players on the volleyball team is less than the mean age of the players on the baseball team.

D The median age of the players on the volleyball team is greater than the median age of the players on the basketball team.

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?