Finding If Independent or Not Independent Probability

Suppose a number cube is rolled twice. Is finding the probability of rolling two odd numbers an independent or dependent event?

• Independent

• Dependent

You are playing a game of scrabble. The tiles shown are dropped in a bag. You need to choose two tiles. What is the probability of choosing an "E", keeping it, and then choosing a "H"? Is this an independent or dependent event?

• Independent

• Dependent

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. Is this independent or dependent probability?

• Independent

• Dependent

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? Is this independent or dependent probability?

• Independent

• Dependent

What is the probability that Tom will get a lollipop, replace it, then draw a gumball? The treat bag containing 6 lollipops and 4 gum balls

• 1/24

• 1/90

• 6/25

• 1/10

Marietta picks a candle from the bunch, replaces it, and then selects one again. What are the chances that she selects a green both times?

• 1/144

• 1/12

• 1/36

• 2/24

• 2/12

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 the coin is a nickel?

• 6/13

• 2/7

• 5/16

• 3/19

• 36/169

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number five or greater if the first card is replaced?

• 1/4

• 2/3

• 3/10

• 3/5

Ricardo has the spinner pictured here and a bag of marbles filled with 2 reds, 3 greens, and 3 blues. What is the probability that Ricardo spins red on the spinner then picks a red marble out of the bag?

• 1 ⁄ 16

• 1 ⁄ 2

• 1 ⁄ 4

• 1 ⁄ 8

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter, not replacing it, and then picking a penny? Is this independent or dependent probability?

• Independent

• Dependent