Dependent Probability

A bag contains 3 white balls, 4 green balls. 2 balls are drawn from the bag without replacement.

Find the probability that the balls are white colors.

What is the probability of rolling a number less than 5 on a die and spinning a vowel on the spinner?

What is the probability of picking a green marble, keeping it, then picking another green marble?

Andy rolls a 12-sided dice (dodecahedron), and a coin. What are the probability of he rolling a 5 and a tail?

• 2/24

• 1/2

• 1/12

• 1/24

P(M and A and not T)

Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?

• 1/35

• 7/210

• 6/225

• 2/75

Find the probability if you pick a card, do not replace it, then pick another card. What is the probability of both cards being black?

• 15/56

• 5/14

• 3/28

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. They will draw 2 times and draws are made without replacement. What is the Probability of both marbles being purple?

• 2/9

• 1/3

• 1/2

• 1/4

What is the Probability of drawing a white, then purple, then black?

• 1/36

• 2/39

• 5/41

• 6/43

Is the event INDEPENDENT or DEPENDENT?

Amy is playing a card game. She picks a card at random. Then without putting the first card back, she picks a second card at random.

• Independent

• Dependent