offering a special deal on a bus trip to Atlantic City. Regular tickets cost $54 and reduced-rate tickets cost $29. The company sold us that holds 52 people. If the company collected $2083 in ticket sales, how many REDUCED tickets did they sell?​

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?