One percent of faults occurring in a highly available system need the actualrepair or
Chapter 2, Problem 6(choose chapter or problem)
One percent of faults occurring in a highly available system need the actualrepair or replacement of component(s) while the remaining 99% are cleared bya reboot. Find the probability that among a sample of 200 faults there are nofaults that require calling the repair person. (Hint: You may use the Poissonapproximation to the binomial distribution.)
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