Me when i make the same joke over and over and it isnt even funny but people still laugh

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?

If chris has a car liability insurance, what damage would he be covered for

Why do we mark tlc plates with pencil and not with pen