[15 5] An instructor gave her students 14 problems,
Chapter 0, Problem SE2.4(choose chapter or problem)
[15 5] An instructor gave her students 14 problems, telling them that 4 of the problems will be on a quiz and that passing the quiz requires solving all 4 of the problems. a. Given that the instructor chooses the 4 problems at random, what is the probability that a student who knows only 9 problems will pass? b. If passing the quiz requires solving at least 3 problems, what is the probability that a student who knows only 10 problems will pass?
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