A fair die and a fair coin are being tossed simultaneously and repeatedly.
(a) Determine the probability that in the first k tosses we won't see Tails and an even outcome?
(b) Determine the probability that the first Tails or even outcome will occur at the k'th toss?
(c) Let X be the number of tosses till we see Tails or an even outcome for the first time. What is the distribution