Independent or Dependent Probability

Is the event INDEPENDENT or DEPENDENT?

Amy plays card games. She picks a card at random. Then without putting the first card back, she picks a second card at random.

• Independent

• Dependent

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

• Independent

• Dependent

What is the probability of choosing a black marble, not replacing it, and then choosing white.

• 4/15

• 3/17

• 2/5

• 2/19

What is the probability of spinning red?

• 0

• 5/12

• 1/2

• 3/4

The lottery is an example of Dependent Probability because

• once a number is picked, it is not replaced

• once a number is picked, it is replaced.

Mr. Adams surveyed 35 of his students to find out what type of pet they own. If a student was selected at random, what is the probability that student has a goldfish?

• 1/35

• 6/35

• 1/7

• 3/4

You spin the spinner and roll the die. What is the probability of getting a number greater than 5 on the spinner, then a 2 on the die?

• 1/12

• 1/16

• 1/4

• 1/8

You spin the spinner and roll the die. What is the probability of getting a factor of 3 on the spinner, then a 5 on the die?

• 1/4

• 5/24

• 1/24

• 1/48

You and Sam are playing a game of scrabble. On Sam's turn, he selected a "T" from the bag of tiles shown. It is now your turn. What is the probability you randomly select a "C" tile?

• 2/15

• 1/7

• 1/105

• 1/225

This jar contains 20 pieces of bubble gum. What is the probability of randomly selecting a blue piece, replacing it, and then selecting a red piece?

• 1/40

• 21/400

• 1/2

• 3/20