Road users moving into your lane brake lights and abrupt changes in road surfaces are ___

Answer me pls is an algorithm that has been coded into something that can be run by a machine.

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?

Which is a possible benefit of having a good credit history? having a checking account low interest rate on a car loan high interest rate on a credit card offer bankruptcy