passwella.
Menu

OAU Post-UTME Mathematics 2013 Question 1

Question 1

Probability

If the probability of success in an event is y/x. What is the probability of failure?

  1. A.(x − y)/x
  2. B.(y − x)/x
  3. C.(x − y)/y
  4. D.(y − x)/y
Show the answer and explanation

Answer: A ((x − y)/x)

Explanation

P(failure) = 1 − y/x = (x − y)/x.