How long did Rover wait from the end of his first drink to the start of his second drink of water?

1) 10 sec
2) 30 sec
3) 60 sec
4) 75 sec

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.