In a bag there are 5 red marbles and 7 blue marbles. John picks a marble and then picks another marble without putting the first one back.
What is the probability of John getting two blue marbles?
In a bag there are 10 green tickets and 6 yellow tickets. Steve picks a ticket and then picks another ticket without putting the first one back.
What is the probability of Steve getting a green ticket on the first pick and a yellow ticket on the second pick?
In a bag there are 7 red marbles, 9 blue marbles, 10 green marbles. George picks a marble, then a second marble, and then a third marble without putting either the first or the second marble back.
What is the probability of George getting three green marbles?
In a 52 card deck, we pick one card and then pick a second one without putting the first one back. What is the probability of drawing two aces?
We roll two fair dice. What is the probability of getting at least one 6, given that the numbers are different?
A family has two children. We know that one of the children is a girl. What is the probability that both children are girls?
Jane rolls a fair die. What is the probability of getting 5 if we know that the outcome is a prime number.
