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Dependent Probability

Authored by Anthony Clark

Mathematics

7th Grade

Dependent Probability
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

2/9

1/3

1/2

1/4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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)

1/36

2/39

5/41

6/43

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hana buys a pack of bubble gum that has 3 orange, 6 pink, 1 yellow, and 5 red gums.  She puts the gums in the bowl.  If she reaches in and grabs two gums without putting one back, what is the probability that she will pick a pink and then a yellow?

1/35

7/210

6/225

2/75

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the probability of drawing a 9, then drawing a number divisible by 1? (no replacement--dependent event)

8/56 = 1/7

1/8

8/7

2/9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A bag has 2 yellow marbles and 8 brown marbles. Nancy takes out two marbles without replacing the marbles. What is the probability that they will both be yellow?

2/19

1/10

1/25

1/45

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

An event is DEPENDENT, if...

The first event has no affect on the next event

The first event affects the second event

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