Percy shuffles a standard $52$-card deck and starts turning over cards one at a time, stopping as soon as the first spade is revealed. what is the expected number of cards that percy turns over before stopping (including the spade) ? (note: there are $13$ spades in a deck.)

Question

Gwendolen

21 January, 18:13

+4

Answers (1)

Know the Answer?

Janessa · Answer 1

3 because it's 1/4 so you would turn over 3 then the fourth one would be expected to be a spade