Matthew, a history teacher, realizes that his students are not interested in a particular lesson. What should he do ?

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.

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?

How is the brightness of oled of the diaplay is controled