Independent & Dependent Events

Is the event Dependent or Independent?
Rolling a die twice

• Dependent
• Independent

Is the event Dependent or Independent?
Tossing a coin and spinning a spinner

• Dependent
• Independent

A bag contains red and blue marbles. First a red marble is drawn and then, without replacing the first marble, a blue marble is drawn. Are the two events Dependent or Independent?

• Independent
• Dependent

Is the event Dependent or Independent?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.

• Independent
• Dependent

What is the probability of rolling a dice and landing on a four, and then rolling the dice again and landing on any even number?

• 1 ⁄ 6
• 1 ⁄ 8
• 1 ⁄ 2
• 1 ⁄ 12

There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. What is the probability that both times it is a nickel?

• 36/169
• 30/169
• 42/169
• 6/13

Is the event Dependent or Independent?
As team captain, selecting someone to be on your team and then selecting a second player

• Dependent
• Independent

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.  Are these two events dependent or independent?

• 15%, independent
• 15%, dependent
• 10%, dependent
• 10%, independent

There are 40 ants total in a mans collection. He has 22 fire ants, 13 sugar ants and 5 carpenter ants. Find the probability of selecting a carpenter ant, and then without replacing it, selecting a fire ant. 

• 11/156
• 30/121
• 18/51
• 9/137

Find the probability of selecting a black checker from a bag of 6 black and 4 red checkers, replacing it and selecting another black. 

• 25%
• 36%
• 20%
• 3/41