The time it takes to repair a personal computer is a
Chapter , Problem 31(choose chapter or problem)
The time it takes to repair a personal computer is a random variable whose density, in hours, is given by f (x) = _ 12 0 < x < 2 0 otherwise The cost of the repair depends on the time it takes and is equal to 40 + 30 x when the time is x. Compute the expected cost to repair a personal computer.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer