AP STAT REVIEW-3

Given the probabilities P(A) =0.4 and P(A∪B) =0.6, what is the probability P(B): If A and B are mutually exclusive? If A and B are independent? 

• a) 0.2; 0.4
• b) 0.2; 0.33
• c) 0.33; 0.2
• d) 0.6; 0.33

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.7

CCSS.HSS.CP.B.8

The probability that a randomly chosen American is a Republican is 0.35. What is the probability that in a sample of 10 Americans, that at least 1 will be a Republican? 

• a) 0.9865
• b) 0.2275
• c) 0.0725
• d) 0.0135

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

CCSS.7.SP.C.8

P(Pizza ∩ Water) =

• 62/182
• 120/400
• 58/400
• 140/400

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.8

P(Sandals|Pants):

• 4/20
• 6/15
• 1/2
• 2/7

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.6

CCSS.HSS.ID.B.5

A group of 125 pick up truck owners were asked what brand truck they owned and whether it had four-wheel drive. The results are given in the two-way table.
You randomly select one truck owner. Which one of the following is true about the events "Owner has a Chevy" and "Owner's truck has four-wheel drive"?

• These two events are mutually exclusive and independent. 
• These two events are mutually exclusive, but not independent. 
• These two events are not mutually exclusive, but they are independent.
• These two events are neither mutually exclusive nor independent.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.ID.B.5

At a California college, 19% of the students speak Spanish, 7% speak French, and 4% speak both languages.  A student is chosen at random from the college.  What is the probability that the student speaks Spanish if she speaks French?

• 0.220
• 0.211
• 0.040
• 0.571

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

Which statement best describes this graph?

• There is a peak at 47.

• There is a cluster around 38-40.

• The mode is 40.

• There is a gap in the data between 39-40.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Where is the gap in the data?

• between 23 and 25

• between 17 and 20

• at 18

• at 22

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Select the true statement.

• There is a cluster of data between 0 and 2

• There is a gap at 7

• There is an outlier at 8

• The distribution is clearly skewed left

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5