Q. 11 The security system at an IT office is composed of 10 computers of which exactly
four are working. To check whether the system is functional, the officials inspect
four of the computers picked at random (without replacement). The system is
deemed functional if at least three of the four computer inspected are working.
Let the probability that the system is deemed functional be denoted by p. Then
100p = _______.
(A) 11.85
Answer: (A)
Explanation:
