(a) The number of times I have to roll a die to get two 6s.

(b) The number of cards I deal from a well-shuffled deck of 52 cards until I get a heart.

(c) The number of digits I read in a randomly selected row of the random digits table until I find a 7.

(d) The number of 7s in a row of 40 random digits.

(e) The number of 6s I get if I roll a die 10 times.