Download the graphing program, graphmatica, from the course information area. type in the equation you selected in #1 above and hit enter. use your graph to answer the questions below. note: you may need to go to view, zoom out and continue to zoom out until you can see all the necessary points (the x-intercept and the y-intercept). 3. deduce the slope from the data. 4. what is the y-intercept from the data? 5. what is the x-intercept from the data?

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?