Quiz about Probability

Question 1

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

Accepted Answer

5/6

Answer

1/2

Answer

1/3

Answer

1/6

Question 2

The chart below represents the number of marbles in a jar.
P(green) =

Accepted Answer

5/19

Answer

10/28

Answer

5/14

Question 3

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

Accepted Answer

1/3

Answer

3/10

Answer

3/9

Answer

1/9

Question 4

Experimental Probability is:

Accepted Answer

What actually happens

Answer

What Will happen

Answer

What should happen

Answer

What I think Happens

Question 5

What is the probability of flipping a coin and getting heads?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

Never, Tails never fails.

Question 6

What is the probability of selecting an orange candy?

Accepted Answer

100%

Answer

0%

Answer

25%

Answer

50%

Question 7

Determine the likelihood of the following event:
Drawing a red card from a standard deck of cards

Accepted Answer

1/2

Answer

13/52

Answer

1/4

Answer

4/52

Question 8

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

Accepted Answer

1/10

Answer

3

Answer

3/10

Answer

30%

Question 9

P(not A) =
*Remember to simplify.*

Accepted Answer

3/4

Answer

6/8

Answer

2/8

Answer

1/4

Question 10

Rolling a 15 on a number cube is

Accepted Answer

Impossible

Answer

Certain

Answer

Unlikely

Answer

Equally Likely

Question 11

Clare picks a marble at random, puts it back, and then picks another marble at random.

Accepted Answer

Independent

Answer

Dependent

Question 12

Clara picks a card at random, puts it back, and then picks another card at random.

Accepted Answer

Independent

Answer

Dependent

Question 13

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

Accepted Answer

Dependent

Answer

Independent

Question 14

Christopher picks a marble at random. Without putting the first marble back, he picks a second marble at random.

Accepted Answer

Dependent

Answer

Independent

Question 15

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(white, then purple, then black)

Accepted Answer

1/36

Answer

2/39

Answer

5/41

Answer

6/43

Question 16

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)

Accepted Answer

2/9

Answer

1/3

Answer

1/2

Answer

1/4

Question 17

During P.E. class, one team is picking softball gloves from the class bucket. Lindsey chooses a glove first, followed by Megan.

Accepted Answer

Dependent

Answer

Independent

Question 18

Reid picks a card at random. Without putting the first card back, he picks a second card at random.

Accepted Answer

Dependent

Answer

Independent

Question 19

Allie downloads a song from an online service. A few minutes later, a customer in another city searches for a song on the same site.

Accepted Answer

Independent

Answer

Dependent

Question 20

Clara brings a box of donuts to work that contains one donut in each flavor. First the secretary chooses one. Then the office manager makes a selection.

Accepted Answer

Dependent

Answer

Independent

Probability

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