Multiple choice

Three companies, X, Y and Z supply computers to a university. The percentage of computers supplied by them and the probability of those being defective are tabulated below.

Given that a computer is defective, the probability that it was supplied by Y is

  1. 0.1

  2. 0.2

  3. 0.3

  4. 0.4

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation