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Dependent Compound Events (or)

Authored by Amanda Anders

Mathematics

7th Grade

CCSS covered

Used 5+ times

Dependent Compound Events (or)
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8 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • Ungraded

A box contains 3 black pens, 7 blue pens and 5 red pens. Without replacing the first pen, what is the probability of pulling a red or black pen?


In your opinion, what is the best first step?

Set up the probability for each event

Draw a visual

Determine the total number of pens in the box

Tags

CCSS.HSS.CP.B.7

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A box contains 3 black pens, 7 blue pens and 5 red pens. Without replacing the first pen, what is the probability of pulling a red or blue pen?


Select all the correct statements about this problem?

The total will not be affected for the second probability.

The total will change based off what happens in the first event.

The total number of pens is 8

The total number of pens is 15

The number of blue pens is not needed for this problem

Tags

CCSS.HSS.CP.B.7

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A box contains 3 black pens, 7 blue pens and 5 red pens. Without replacing the first pen, what is the probability of pulling a red or blue pen?


What is the probability of pulling a red pen first?

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A box contains 3 black pens, 7 blue pens and 5 red pens. Without replacing the first pen, what is the probability of pulling a red or blue pen?


What is the probability of pulling a blue pen if the red pen was not replaced?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A box contains 3 black pens, 7 blue pens and 5 red pens. Without replacing the first pen, what is the probability of pulling a red or blue pen?

1/3

1/2

1/5

5/6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are 2 violet, 3 green, and 4 pink ornaments in a bag. If two ornaments are drawn without replacement, what is the probability of getting a violet or pink?

8/9

13/18

1/3

6/17

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter A or a consonant without replacing the first letter?

20/21

6/7

6/15

11/14

Tags

CCSS.HSS.CP.B.7

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