Multiple choice

Let X and Y be two statistically independent random variables uniformly distributed in the ranges (-1,1) and (-2,1) respectively. Let Z = X + Y, then the probability that [Z$\le$-2] is

  1. zero

  2. $\dfrac{1}{6}$
  3. $\dfrac{1}{3}$
  4. $\dfrac{1}{12}$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation