Keisha surveyed a group of people to find their their age and their shoe size. she then graphed the order pairs (age shoe size) for each person. which of the scatter plots most likely represents her graph?

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?