From 6 cards bearing the letters a, b, c, d, e, and f, two cards are drawn. find the probability that at least one of the cards drawn bears a vowel. note: (a, b) and (b, a) are considered to be different elements in the sample space.
a) 2/15
b) 3/5
c) 5/9

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.