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Independence and Dependence Stats

Total questions: 9

Worksheet time: 9mins

Name
Class
Date
1.

What is P(Red given blue)?

a)

50%

b)

26.7%

c)

57.1%

d)

46.7%

2.

What is P(T given J)?

a)

79.2%

b)

37%

c)

70.3%

d)

41.7%

3.

What is the probability that a female is chose given they like a Toyota? 

a)

.525

b)

.4627

c)

.6774

d)

.3143

4.

P(Sandals|Pants):

a)

4/20

b)

6/15

c)

1/2

d)

2/7

5.

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

a)

.2

b)

.2222

c)

.10

d)

.5

6.

What is the probability that they speak French given they are a girl? 

a)

2.14

b)

.24

c)

.4

d)

.8571

7.

Find P( Full-time | Male)

a)

7/3

b)

3/10

c)

3/7

d)

4/7

8.

Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy.  We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.

a)

Independent

b)

Dependent

9.

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

a)

Independent

b)

Dependent