Flip a dice 4 times. Let X be the total number of 5 or 6.
(a) Compute the probability of X = 0, i.e., there is neither 5 nor 6.
(b) Compute the probability of X = 1, i.e., there is exactly one of 5 or 6?
(c) Compute the probability of X = 2.
(d) Compute the probability of X < 2:5.
(e) Compute the probability of X > 2.
Probability of getting a 5 or a 6 on one throw=2/6=1/3
Probability of not getting a 5 or a six in a throw=1-1/3=2/3