Probability With Replacement and Without

An urn contains 2 orange marbles and 5 blue marbles. A marble is drawn at random and replaced. Then a second marble is drawn. What is the probability that the first marble is orange and the second marble is blue?

An urn contains 4 purple marbles and 3 pink marbles. Two marbles are drawn at random. What is the probability that both marbles are purple if drawn with replacement?

An urn contains 5 orange marbles and 6 blue marbles. Two marbles are drawn at random. What is the probability that the first marble is orange and the second marble is blue if the marbles are drawn with replacement?

An urn contains 4 red marbles and 7 blue marbles. Two marbles are drawn at random. What is the probability that the first is red and the second is blue if the marbles are drawn with replacement?

What is the probability of randomly choosing a green marble and then a blue marble with replacement from this bag?

Mathematical Equivalence

ON

What is the probability of randomly choosing a 9 and then a red 3 from a deck of cards with replacement? There are 52 cards in a deck.

Mathematical Equivalence

ON

What is the probability of selecting a red ball and then selecting the white ball? (7 yellow, 7 red, 1 white, 1 black) Assume that the balls are put back in before the next selection. Type your answer as a simplified fraction.

Mathematical Equivalence

OFF

• 8/81
• 1/3
• 1/9
• 28/81

What is the probability of randomly choosing two black cards from a deck of cards with replacement? There are 52 cards in a deck.

Mathematical Equivalence

ON

Oscar has a bag of game pieces - what is the probability that he will choose a blue piece, replace it, then choose a yellow piece?

P(blue then yellow)

Mathematical Equivalence

ON