If you are going to analyze and interpret data, you need to do all of the following execept blank. A study the data
B interpret the data in a way that will support your hypothesis
C) identify the control group and the test group
D watch for similarities and differences between the control and test groups

Assume that there is a 4% 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 three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?