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Probability Independent Event

Authored by Anthony Clark

Mathematics

7th Grade

Probability Independent Event
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A basket of fruit and vegetables is shown below. Belle and Bryan disagree on what the probability of selecting a vegetable, replacing it, and then selecting a fruit is. P(vegetable, fruit). Who is correct?

Bryan says the probability is 35/128

Belle says the probability is 15/64

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A drawer of office supplies is shown below. What is the probability of selecting a binder clip, replacing it and then selecting a paper clip?

9/50

1/2

21/100

6/25

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

1 ⁄ 16

1 ⁄ 2

1 ⁄ 4

1 ⁄ 8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Suppose you drew one marble from the bag above, replaced it and then drew a second marble. What is the probability of picking a yellow marble, and then blue? P(yellow, blue)

9/20

3/20

1/10

13/20

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Independent

Dependent

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the event INDEPENDENT or DEPENDENT?
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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

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