Compound Dependent Events

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)

• 1/18

• 2/5

• 3/7

• 4/9

Which compound event if composed of dependent events?

• Selecting a candy bar from a bag eating the candy bar and selecting again

• Selecting a candy bar from a bag, deciding you don't want it, replace the candy bar and select again.

A coin is tossed and then the spinner is spun. Determine the probability that you toss Heads and spin a Red.

• 1/6

• 1/10

• 0

• 1/12

A bag contains 2 blue marbles, 3 black marbles, and 5 red marbles. Mrs. Grow picks one marble, replaces it, then picks another. What is the probability of them both being blue?
P(blue and blue) 

• 1/25

• 1/5

• 1/20

• 2/5

If you pick a red marble and keep it, how does that change the probability of getting a green marble when you pick a second time?

• No change

• More likely

• Less likely

• Impossible

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

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

Is the following compound event independent or dependent
P(1 and A)

• Independent

• Dependent

The spinner is spun two times.  Determine the probability of landing on red the first spin and on green the second spin .

• 1/9

• 1/10

• 0

• 1/12

Determine if the following events are dependent or independent.
Anna draws a card from a bag, does not replace it and draws a second time..

• Independent

• Dependent