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11-2 TWO-WAY TABLES

Authored by Patrick Ramp

Mathematics

10th Grade

CCSS covered

Used 4+ times

11-2 TWO-WAY TABLES
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

27/40

1.48

.008

.0593

Answer explanation

P(A&B) = P(A) * P(BlA)

3/5 = 8/9 * P(BlA)

DIVIDE

Tags

CCSS.HSS.CP.B.6

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the probability that the person picked will be a boy given they speak german? 

.7273

.4

.16

.22

Answer explanation

8/11

Tags

CCSS.HSS.CP.A.4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the probability that a student does play a sport given they do not play an instrument? 

.2

.2222

.10

.5

Answer explanation

2/9

Tags

CCSS.HSS.CP.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A new credit card has been issued to 2000 customers. Of these customers, 1500 hold a Visa, 500 hold an AA card, and 40 hold a Visa and AA card. Find the probability that a random chosen customer holds a Visa and AA card, given they hold a Visa. 

.0267

37.5

.02

.3333

Answer explanation

P(A&B)=P(A) * P(BlA)

40/2000 = 1500/2000 * P(BlA)

DIVIDE

Tags

CCSS.HSS.CP.B.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

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

3/10

3/9

1/9

1/3

Answer explanation

3/9 = 1/3

Tags

CCSS.7.SP.C.7B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

P(Sandals|Pants):

4/20

6/15

1/2

2/7

Answer explanation

4/14 = 2/7

Tags

CCSS.HSS.CP.A.4

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Media Image

What is the probability that a student has a brother given that they do not have a sister?

*Write your answer as a fraction*

Answer explanation

7/10

Tags

CCSS.HSS.CP.A.4

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