(A) 1/3
(B) 2/3
(C) 3/6
(D) 4/6
Correct Option is: A
Taking the individual probabilities of each number, getting a 4 is 1/6 and so is getting a 6.
Applying the formula of compound probability,
Probability of getting a 4 or a 6,
P(4 or 6) = P(4) + P(6) – P(4 and 6)
==> 1/6 + 1/6 – 0
==> 2/6 = 1/3